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3157: GTR i-LED Ultra Turn Signal Bulbs

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Brand: GTR Lighting

B-LED-GTR-IU3157-HR

Videos

$163.98

PRODUCT OPTIONS

PART #: 1 x LED963

Easy Return

DESCRIPTION

Experience automotive lighting like never before with GTR Ultra i-LED Bulbs. Defying convention, these bulbs shatter the limitations of traditional lighting systems. Designed to dominate the road, they outshine competitors with precision-engineered brilliance. The advanced optical system projects intense light forward while reflecting over 50% backward, ensuring remarkable visibility from all angles. With a hassle-free installation that doesn't require additional resistors, upgrading your lighting has never been easier. Choose from an array of captivating colors -- from classic White to dynamic Red, Amber, or the eye-catching Switchback. Designed for universal fitment, these bulbs seamlessly integrate into any housing, enhancing your vehicle's aesthetic and safety. Illuminate your drive with the future of lighting -- choose GTR Ultra i-LED Bulbs today.

FEATURES & BENEFITS

  • Elevated Driving: GTR Ultra i-LED Bulbs redefine your driving experience.
  • Advanced Optics: Project intense light forward, reflect over 50% backward for superior visibility.
  • Hassle-Free Brilliance: Resistor-free design ensures easy installation without sacrificing power.
  • Vibrant Colors: Choose from White, Red, Amber, or dynamic Switchback.
  • Universal Fit: Seamlessly integrate into any headlight or taillight housing for enhanced style.

WHAT’S INCLUDED

  • LED Bulbs : 2x (One Pair) GTR Ultra Indicator-LED Bulbs

  • Wiring : 2x 3156/3157 Plug and Play Inputs

  • Hardware : 4x Gaskets, 1x Torx Tool

  • Optional Hyperflash Adapters : 2x (One Pair)

WARRANTY INFORMATION

This GTR Lighting product includes a Lifetime limited warranty, serviced and supported by the GTR LIghting team in Atlanta, GA. This warranty does not cover modifications, alterations, or misuse. For additional information, contact us. In the event of any issues upon installation, please document it via photo/video and contact us prior to removing the light(s).
This warranty is only valid if the item is purchased from an Authorized Dealer, Click HERE for a list of unauthorized dealers.

TECHNICAL SPECIFICATIONS

  • Intensity : 800lm (Amber), 850lm (White), 420lm (Red)

  • Input Voltage : 9-24V DC

  • Current : 260mA-2.1A (Red, White, Amber Models), 1.3A (Switchback Model) @ 12V DC

  • Light Source : 9-12x Proprietary SMD

COMPATIBILITY

  • CK Style Sockets : Not Compatible (Non-CK Only!)

  • ALIASES : 3156, 3156A, 3156AK, 3156K, 3156LL, 3156ST, 3156NA, 3156NAK, 3056, 3356, 3456, 3456LL, 4156, 3157, 3157A, 3157AK, 3157K, 3157LL, 3157NA, 3157NAK, 3157NALL, 3157ST, 3157X, 3157KX, 3157CK, 3157-SCK, 3157-SRCK, 3157-SCRK, 3155, 3155LL, 3047, 3047K, 3047LL, 3057, 3057A, 3057ALL, 3057K, 3057KLCP, 3057KX, 3057LL, 3057ST, 3057X, 3357, 3357A, 3357ALL, 3357K, 3357LL, 3357NA, 3454NA, 3457, 3457A, 3457AK, 3457ALL, 3457K, 3457NA, 3457NAK, 3757A, 3757AK, 3757ALL, 4057, 4057K, 4057LL, 4114, 4114K, 4114LL, 4157, 4157K, 4157LL, 4157NA, 4157NAK, 5702A, 5702AK, T25, P27W, P27/7W, W2.5x16d, W2.5x16q, T25 wedge socket family

  • OEM NUMBERS : CEC 3047; CEC 3057; CEC 3057NA; CEC 3155; CEC 3156; CEC 3156NA; CEC 3157; CEC 3157NA; CEC 3357; CEC 3357NA; CEC 3456; CEC 3457; CEC 3457NA; CEC 4057; CEC 4114; CEC 4114LL; CEC 4157; CEC 4157NA; OSRAM 3156; OSRAM 3157; OSRAM 4157NA; Philips 3156B2; Philips 3156LLB2; Philips 3157B2; Philips 3157LLB2; Philips 3057B2; Philips 3357B2; Philips 3457NAB2; Sylvania 3156LL; Sylvania 3157LL; Sylvania 3157ST; Sylvania 3057LL; Sylvania 3357LL; Sylvania 3457LL; Sylvania 4057LL; Sylvania 4114LL; Sylvania 4157LL

  • AFTERMARKET SKUS : Auxbeam 3156/3157 - T25 LED bulbs for turn signal/brake/tail/reverse lights; Morimoto B-LED-MMXB-3157 / LED413 - 3156/3157 XB LED bulbs; GTR Lighting GTR.LED583-2PK - 3156/3157 Carbide Canbus 2.0 white LED bulbs; GTR Lighting GTR.LED584-2PK - 3156/3157 Carbide Canbus 2.0 amber CK LED bulbs; GTR Lighting GTR.LED580-2PK - 3156/3157 Carbide Canbus 2.0 amber non-CK LED bulbs; GTR Lighting GTR.LED581-2PK - 3156/3157 Carbide Canbus 2.0 red LED bulbs; GTR Lighting GTR.LED586-2PK - 3156/3157 Carbide Canbus 2.0 switchback CK LED bulbs; GTR Lighting GTR.LED582-2PK - 3156/3157 Carbide Canbus 2.0 switchback non-CK LED bulbs; Diode Dynamics 3156 HP11 - 3156 LED bulbs; Diode Dynamics 3156 HP48 - 3156 LED bulbs; Diode Dynamics 3156 XP80 - 3156 LED bulbs; Diode Dynamics 3157 HP11 - 3157 LED bulbs; Diode Dynamics 3157 HP48 - 3157 LED bulbs; Diode Dynamics 3157 XP80 - 3157 LED bulbs; Lasfit T3-3157A - 3157/3057/3457/4057/4157 amber LED turn signal bulbs; Lasfit T3-3157R - 3157 red LED bulbs; Lasfit L2-3157A - 3157/3057/3457/4057/4157 amber LED bulbs; Sylvania 3156LL - 3156 Long Life mini bulb; Sylvania 3157LL - 3157 Long Life mini bulb; Sylvania 3157ST - 3157 SilverStar mini bulb; Sylvania 3057LL - 3057 Long Life mini bulb; Sylvania 3357LL - 3357 Long Life mini bulb; Sylvania 3457LL - 3457 Long Life mini bulb; Sylvania 4057LL - 4057 Long Life mini bulb; Sylvania 4114LL - 4114 Long Life mini bulb; Sylvania 4157LL - 4157 Long Life mini bulb; Philips 3156B2 - 3156 standard mini bulb; Philips 3156LLB2 - 3156 LongerLife mini bulb; Philips 3157B2 - 3157 standard mini bulb; Philips 3157LLB2 - 3157 LongerLife mini bulb; Philips 3057B2 - 3057 standard mini bulb; Philips 3357B2 - 3357 standard mini bulb; Philips 3457NAB2 - 3457NA amber mini bulb; SEALIGHT SLJ5 - 3157/3156/3057/T25 LED bulbs; Alla Lighting 3156/3157 - T25 LED bulbs; Super Bright LEDs 3156/3157 - T25 LED tail/brake/turn/backup bulbs

  • FITMENT : Cars & Trucks

  • Acura MDX : 2004-2006 (Parking Light, Front Turn Signal)

  • Acura TL : 2012-2014 (Parking Light, Front Turn Signal)

  • Acura ZDX : 2010-2013 (Parking Light, Front Turn Signal)

  • Audi A4 (selected Trims) : 2000-2002 (Front Side Marker)

  • Audi A4 (selected Trims) : 2003-2006 (Parking Light, Front Side Marker)

  • Audi A4 Quattro (selected Trims) : 2000-2002 (Front Side Marker)

  • Audi A4 Quattro (selected Trims) : 2003-2006 (Parking Light, Front Side Marker)

  • Audi A6 (selected Trims) : 2002-2004 (Front Side Marker)

  • Audi A6 (selected Trims) : 2006-2008 (Parking Light)

  • Audi A6 (selected Trims) : 2009-2011 (Parking Light, Front Turn Signal)

  • Audi A6 Quattro (selected Trims) : 2002-2004 (Front Side Marker)

  • Audi A6 Quattro (selected Trims) : 2005-2008 (Parking Light)

  • Audi A6 Quattro (selected Trims) : 2009-2011 (Parking Light, Front Turn Signal)

  • Audi RS6 : 2003-2004 (Front Side Marker, Front Turn Signal)

  • Audi S4 (selected Trims) : 2000-2002 (Front Side Marker)

  • Audi S4 (selected Trims) : 2004-2006 (Parking Light, Front Side Marker)

  • Audi S6 (selected Trims) : 2002-2003 (Front Side Marker)

  • Audi S6 (selected Trims) : 2007-2008 (Parking Light)

  • BMW 320i (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 320i xDrive (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 328d (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 328d xDrive (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 328i (selected Trims) : 2016 (Parking Light, Front Turn Signal)

  • BMW 328i xDrive (selected Trims) : 2016 (Parking Light, Front Turn Signal)

  • BMW 330e (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 330i (selected Trims) : 2017-2018 (Parking Light, Front Turn Signal)

  • BMW 330i xDrive (selected Trims) : 2017-2019 (Parking Light, Front Turn Signal)

  • BMW 340i (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 340i xDrive (selected Trims) : 2016-2018 (Parking Light, Front Turn Signal)

  • BMW 525i (selected Trims) : 2001-2003 (Front Turn Signal)

  • BMW 528i (selected Trims) : 1997-2000 (Parking Light, Front Side Marker)

  • BMW 528i (selected Trims) : 2008-2010 (Parking Light, Front Turn Signal)

  • BMW 528i xDrive (selected Trims) : 2009-2010 (Parking Light, Front Turn Signal)

  • BMW 528xi (selected Trims) : 2008 (Parking Light, Front Turn Signal)

  • BMW 530i (selected Trims) : 2001-2003 (Front Turn Signal)

  • BMW 535i (selected Trims) : 2008-2010 (Parking Light, Front Turn Signal)

  • BMW 535i xDrive (selected Trims) : 2009-2010 (Parking Light, Front Turn Signal)

  • BMW 535xi (selected Trims) : 2008 (Parking Light, Front Turn Signal)

  • BMW 540i (selected Trims) : 1997-2000 (Parking Light, Front Side Marker)

  • BMW 540i (selected Trims) : 2001-2003 (Front Turn Signal)

  • BMW 550i (selected Trims) : 2008-2010 (Parking Light, Front Turn Signal)

  • BMW 745i : 2002-2005 (Parking Light)

  • BMW 745Li : 2002-2005 (Parking Light)

  • BMW 750i : 2006-2008 (Parking Light)

  • BMW 750Li : 2006-2008 (Parking Light)

  • BMW 760i : 2004-2006 (Parking Light)

  • BMW 760Li : 2003-2008 (Parking Light)

  • BMW Alpina B7 : 2007-2008 (Parking Light)

  • BMW M5 : 2000-2003 (Front Side Marker, Front Turn Signal)

  • BMW Z3 (selected Trims) : 2002 (Rear Turn Signal)

  • Buick Allure : 2005-2009 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Allure (selected Trims) : 2010 (Daytime Running Light)

  • Buick Century : 1997-1999 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Buick Century : 2000-2005 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Enclave : 2008-2012 (Daytime Running Light)

  • Buick LaCrosse : 2005-2009 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick LaCrosse (selected Trims) : 2010-2013 (Daytime Running Light)

  • Buick LeSabre : 1997-1998 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick LeSabre : 1999 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick LeSabre : 2000-2005 (Back Up Light, Brake, Center High Mount Stop Light, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Lucerne : 2006-2011 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Park Avenue : 1992-1996 (Brake, Rear Turn Signal, Tail Light)

  • Buick Park Avenue : 1997-2005 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Buick Rainier : 2004-2007 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Buick Regal : 1988-1989 (Brake, Center High Mount Stop Light, Rear Turn Signal, Tail Light)

  • Buick Regal : 1990 (Brake, Center High Mount Stop Light, Parking Light, Rear Turn Signal, Tail Light)

  • Buick Regal : 1997-2004 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Regal (selected Trims) : 1991-1992 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Regal (selected Trims) : 1993-1995 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Regal (selected Trims) : 1996 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Buick Regal (selected Trims) : 2011-2013 (Back Up Light, Brake, Parking Light, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Buick Rendezvous : 2002-2007 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal)

  • Buick Riviera : 1995-1999 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Buick Roadmaster (selected Trims) : 1992-1996 (Parking Light, Front Turn Signal)

  • Buick Skylark : 1992-1995 (Brake, Rear Turn Signal, Tail Light)

  • Buick Skylark : 1996-1998 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Buick Terraza : 2005-2007 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac 60 Special : 1993 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Cadillac Brougham : 1990-1992 (Brake, Rear Turn Signal, Tail Light)

  • Cadillac Catera : 1997-1999 (Parking Light, Front Turn Signal)

  • Cadillac Catera (selected Trims) : 2000-2001 (Parking Light, Front Turn Signal)

  • Cadillac CTS (selected Trims) : 2003-2007 (Back Up Light, Brake, Daytime Running Light, Rear Turn Signal, Tail Light)

  • Cadillac DeVille : 1989-1993 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Cadillac DeVille : 1994-1997 (Parking Light, Front Turn Signal)

  • Cadillac DeVille : 1998-1999 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac DeVille : 2000-2003 (Back Up Light, Parking Light, Front Turn Signal)

  • Cadillac DeVille : 2004-2005 (Back Up Light, Parking Light)

  • Cadillac DTS : 2006-2011 (Daytime Running Light, Front Turn Signal)

  • Cadillac Eldorado : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Cadillac Eldorado : 2000-2002 (Parking Light, Front Turn Signal)

  • Cadillac Escalade : 1999-2000 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Cadillac Escalade : 2002-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac Escalade (selected Trims) : 2009-2014 (Parking Light, Front Turn Signal)

  • Cadillac Escalade ESV : 2003-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac Escalade ESV (selected Trims) : 2009-2014 (Parking Light, Front Turn Signal)

  • Cadillac Escalade EXT : 2002-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac Escalade EXT : 2007-2008 (Brake, Rear Turn Signal, Tail Light)

  • Cadillac Escalade EXT : 2009-2013 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac Fleetwood : 1989-1992 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Cadillac Seville : 1990-1991 (Back Up Light)

  • Cadillac Seville : 1998-1999 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac Seville : 2000 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac Seville (selected Trims) : 2001-2004 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Cadillac SRX (selected Trims) : 2004-2009 (Back Up Light)

  • Cadillac STS (selected Trims) : 2005, 2010-2011 (Back Up Light)

  • Cadillac STS (selected Trims) : 2006-2009 (Back Up Light, Daytime Running Light, Parking Light, Front Turn Signal)

  • Cadillac XLR : 2004-2009 (Back Up Light)

  • Chevrolet Astro (selected Trims) : 1995-2005 (Parking Light, Front Turn Signal)

  • Chevrolet Avalanche : 2007-2013 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Avalanche 1500 : 2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Avalanche 1500 (selected Trims) : 2002-2005 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Avalanche 2500 : 2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Avalanche 2500 (selected Trims) : 2002-2005 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Blazer : 1998-2003 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Blazer (selected Trims) : 1989-1991 (Front Turn Signal)

  • Chevrolet Blazer (selected Trims) : 1992, 2004-2005 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Blazer (selected Trims) : 1993-1994 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal, Tail Light)

  • Chevrolet Blazer (selected Trims) : 1995-1997 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet C10 (selected Trims) : 1985-1986 (Parking Light, Front Turn Signal)

  • Chevrolet C1500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet C1500 (selected Trims) : 1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet C1500 Suburban (selected Trims) : 1992 (Back Up Light, Brake, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet C1500 Suburban (selected Trims) : 1993-1994 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal, Tail Light)

  • Chevrolet C1500 Suburban (selected Trims) : 1995-1999 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet C20 (selected Trims) : 1985-1986 (Parking Light, Front Turn Signal)

  • Chevrolet C2500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet C2500 (selected Trims) : 1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet C2500 Suburban (selected Trims) : 1992 (Back Up Light, Brake, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet C2500 Suburban (selected Trims) : 1993-1994 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal, Tail Light)

  • Chevrolet C2500 Suburban (selected Trims) : 1995-1999 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet C30 (selected Trims) : 1985-1986 (Parking Light, Front Turn Signal)

  • Chevrolet C3500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet C3500 (selected Trims) : 1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Camaro : 1991-1992 (Center High Mount Stop Light)

  • Chevrolet Camaro : 1994-1997 (Parking Light, Front Turn Signal)

  • Chevrolet Camaro : 1998-2002 (Back Up Light, Parking Light, Front Turn Signal)

  • Chevrolet Camaro (selected Trims) : 2010-2013 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Camaro (selected Trims) : 2014-2015 (Parking Light, Front Turn Signal)

  • Chevrolet Caprice : 1991-1992 (Parking Light, Front Turn Signal)

  • Chevrolet Caprice (selected Trims) : 1993-1996 (Parking Light, Front Turn Signal)

  • Chevrolet Captiva Sport : 2012 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Captiva Sport : 2013-2015 (Daytime Running Light, Parking Light, Front Turn Signal)

  • Chevrolet Cavalier : 2000-2002 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Cavalier : 2003-2005 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Cavalier (selected Trims) : 1995-1999 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet City Express : 2015-2018 (Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Cobalt : 2005-2010 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Colorado : 2007-2008 (Back Up Light, Brake, Daytime Running Light, Rear Turn Signal, Tail Light)

  • Chevrolet Colorado : 2009-2012 (Back Up Light, Brake, Daytime Running Light, Rear Side Marker, Rear Turn Signal, Tail Light)

  • Chevrolet Colorado (selected Trims) : 2004-2006 (Back Up Light, Brake, Daytime Running Light, Rear Turn Signal, Tail Light)

  • Chevrolet Corvette : 1988 (Center High Mount Stop Light)

  • Chevrolet Corvette : 1997-2004 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Corvette : 2005-2013 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Cruze : 2011-2015 (Brake, Tail Light)

  • Chevrolet Cruze Limited : 2016 (Brake, Tail Light)

  • Chevrolet Equinox : 2010-2015 (Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Express 1500 (selected Trims) : 2003-2014 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Express 2500 : 2019-2020 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Express 2500 : 2021 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal)

  • Chevrolet Express 2500 : 2022 (Back Up Light, Brake, Rear Turn Signal)

  • Chevrolet Express 2500 (selected Trims) : 2003-2018 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Express 3500 : 2019-2020 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Express 3500 : 2021 (Back Up Light, Brake, Rear Turn Signal)

  • Chevrolet Express 3500 : 2022 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal)

  • Chevrolet Express 3500 (selected Trims) : 2003-2018 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Express 4500 : 2019 (Back Up Light, Brake, Center High Mount Stop Light, Parking Light, Front Turn Signal, Tail Light)

  • Chevrolet Express 4500 (selected Trims) : 2009-2016 (Parking Light, Front Turn Signal)

  • Chevrolet G10 (selected Trims) : 1992-1994 (Parking Light, Front Turn Signal)

  • Chevrolet G10 (selected Trims) : 1995 (Parking Light)

  • Chevrolet G20 (selected Trims) : 1992-1994 (Parking Light, Front Turn Signal)

  • Chevrolet G20 (selected Trims) : 1995 (Parking Light)

  • Chevrolet G30 (selected Trims) : 1992-1994 (Parking Light, Front Turn Signal)

  • Chevrolet G30 (selected Trims) : 1995-1996 (Parking Light)

  • Chevrolet HHR : 2006-2007, 2011 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet HHR (selected Trims) : 2008-2010 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Impala : 2000-2013 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Impala Limited : 2014-2016 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet K10 (selected Trims) : 1985-1986 (Parking Light, Front Turn Signal)

  • Chevrolet K1500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet K1500 (selected Trims) : 1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet K1500 Suburban (selected Trims) : 1992 (Back Up Light, Brake, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet K1500 Suburban (selected Trims) : 1993-1994 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal, Tail Light)

  • Chevrolet K1500 Suburban (selected Trims) : 1995-1999 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet K20 (selected Trims) : 1985-1986 (Parking Light, Front Turn Signal)

  • Chevrolet K2500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet K2500 (selected Trims) : 1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet K2500 Suburban (selected Trims) : 1992 (Back Up Light, Brake, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet K2500 Suburban (selected Trims) : 1993-1994 (Back Up Light, Brake, Rear Side Marker, Rear Turn Signal, Tail Light)

  • Chevrolet K2500 Suburban (selected Trims) : 1995-1999 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet K30 (selected Trims) : 1985-1986 (Parking Light, Front Turn Signal)

  • Chevrolet K3500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet K3500 (selected Trims) : 1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Lumina : 1990 (Back Up Light, Brake, Center High Mount Stop Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Lumina : 1991-2001 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Lumina APV : 1990-1996 (Back Up Light, Parking Light, Front Turn Signal)

  • Chevrolet Malibu : 1997-2003 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Malibu : 2004-2005 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Malibu : 2006-2007 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Malibu (selected Trims) : 2008-2012 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Monte Carlo : 1995-1999 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Monte Carlo : 2000-2007 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Orlando : 2012-2014 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet R10 (selected Trims) : 1987 (Parking Light, Front Turn Signal)

  • Chevrolet R1500 Suburban (selected Trims) : 1989-1991 (Front Turn Signal)

  • Chevrolet R20 (selected Trims) : 1987 (Parking Light, Front Turn Signal)

  • Chevrolet R2500 Suburban (selected Trims) : 1989-1991 (Front Turn Signal)

  • Chevrolet R30 (selected Trims) : 1987 (Parking Light, Front Turn Signal)

  • Chevrolet R3500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet S10 : 1998, 2004 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet S10 (selected Trims) : 1994-1997, 1999-2003 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 1500 : 1999-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 1500 : 2007-2010 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 1500 : 2011-2013 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 1500 Classic : 2007 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 1500 HD : 2001-2003, 2005-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 1500 HD Classic : 2007 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 2500 : 1999-2004 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 2500 HD : 2001-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 2500 HD : 2007-2010 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 2500 HD : 2011-2014 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 2500 HD Classic : 2007 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 3500 : 2001-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 3500 Classic : 2007 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 3500 HD : 2007-2010 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Silverado 3500 HD : 2011-2014 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Sonic (selected Trims) : 2012-2016 (Back Up Light, Rear Turn Signal)

  • Chevrolet SSR : 2003-2006 (Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Suburban 1500 : 2001-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Suburban 1500 : 2007-2014 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Suburban 1500 (selected Trims) : 2000 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Suburban 2500 : 2001-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Suburban 2500 : 2007-2013 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Suburban 2500 (selected Trims) : 2000 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Tahoe : 2001-2006 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Tahoe : 2007 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Tahoe (selected Trims) : 1995-1999 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Tahoe (selected Trims) : 2000 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Tahoe (selected Trims) : 2008-2014 (Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Trailblazer : 2002-2005 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Trailblazer (selected Trims) : 2006-2009 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Trailblazer EXT : 2002-2006 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Traverse : 2009-2012 (Parking Light, Front Turn Signal)

  • Chevrolet Uplander : 2005-2009 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet V10 (selected Trims) : 1987 (Parking Light, Front Turn Signal)

  • Chevrolet V1500 Suburban (selected Trims) : 1989-1991 (Front Turn Signal)

  • Chevrolet V20 (selected Trims) : 1987 (Parking Light, Front Turn Signal)

  • Chevrolet V2500 Suburban (selected Trims) : 1989-1991 (Front Turn Signal)

  • Chevrolet V30 (selected Trims) : 1987 (Parking Light, Front Turn Signal)

  • Chevrolet V3500 (selected Trims) : 1990-1991 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chevrolet Venture : 1997-2005 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chevrolet Volt : 2011-2015 (Back Up Light)

  • Chrysler 200 : 2011-2014 (Daytime Running Light, Front Turn Signal)

  • Chrysler 300 (selected Trims) : 2005-2010 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler 300M : 1999-2001 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler 300M (selected Trims) : 2002-2004 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Aspen : 2007-2009 (Back Up Light, Brake, Parking Light, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Cirrus : 1995-1997 (Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Cirrus : 1998-2000 (Brake, Daytime Running Light, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Concorde : 1993-1997 (Brake, Center High Mount Stop Light, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Concorde : 1998-2004 (Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Daytona : 1987-1988 (Brake, Rear Turn Signal, Tail Light)

  • Chrysler Daytona : 1989 (Back Up Light, Brake, Rear Turn Signal, Tail Light)

  • Chrysler Daytona : 1990-1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Daytona : 1993 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Dynasty : 1988-1993 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Grand Voyager : 2000 (Back Up Light, Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Imperial : 1990-1993 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Intrepid : 1993-2004 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler LeBaron : 1990-1992 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler LeBaron : 1993-1994 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler LeBaron : 1995 (Brake, Rear Turn Signal)

  • Chrysler LeBaron (selected Trims) : 1988-1989 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler LHS : 1994-1997 (Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler LHS : 1999-2001 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Neon : 2000-2002 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler New Yorker : 1989 (Brake, Rear Turn Signal, Tail Light)

  • Chrysler New Yorker : 1994-1996 (Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler New Yorker (selected Trims) : 1988 (Brake, Rear Turn Signal, Tail Light)

  • Chrysler New Yorker (selected Trims) : 1990, 1993 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler New Yorker (selected Trims) : 1991-1992 (Back Up Light, Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Pacifica (selected Trims) : 2004-2008 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Prowler : 2001-2002 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler PT Cruiser : 2001-2005 (Back Up Light, Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler PT Cruiser : 2006-2010 (Back Up Light, Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Tail Light)

  • Chrysler Sebring : 2007-2008 (Back Up Light, Brake, Parking Light, Front Turn Signal, Tail Light)

  • Chrysler Sebring (selected Trims) : 1996-1997, 1999-2000 (Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Sebring (selected Trims) : 1998 (Parking Light, Front Side Marker, Front Turn Signal)

  • Chrysler Sebring (selected Trims) : 2001-2005 (Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Sebring (selected Trims) : 2006 (Brake, Parking Light, Rear Side Marker, Front Turn Signal, Tail Light)

  • Chrysler Sebring (selected Trims) : 2009-2010 (Back Up Light, Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Chrysler Voyager : 2000-2003 (Back Up Light, Brake, Parking Light, Front Side Marker, Rear Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge Avenger : 2008-2010 (Back Up Light, Brake, Daytime Running Light, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge Avenger : 2011-2014 (Parking Light, Front Turn Signal)

  • Dodge B150 : 1994 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge B1500 : 1995-1997 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge B1500 : 1998 (Brake, Parking Light, Front Side Marker, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge B250 : 1994 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge B2500 : 1995-1997 (Brake, Parking Light, Front Turn Signal, Rear Turn Signal, Tail Light)

  • Dodge B2500 : 1998 (Brake, Parking Light,

INSTALLATION DOCUMENTS

New Benchmark: When it comes to high performance LED Bulbs; the numbers game is simply an excuse for a lack of engineering, and GTR Lighting isn't here to play that game. The i-LED bulbs from GTR Lighting are here to win, and when you see them next to the aging competition, you won't worry much about the numbers.


Ultra Optics:The optical system on the i-LED bulbs is highly effective at maximizing output. It projects a considerable amount output forward to provide a vivid taste of intensity up close, but more importantly it reflects more than half of the output backwards onto the surrounding reflector of your head/tail light --which is what drives intensity when viewed from a distance.


Resistor Free: Make no mistake, these are still extremely powerful bulbs. The i-LED consumes nearly the same amount of power as the original incandescent/halogen bulb, which conveniently makes them resistor-free in many applications too. We do however recommend the optional plug-n-play modules for the most reliable hyperflash-free fitment into any position that acts as a blinker, regardless of application.


Applications: The GTR Ultra i-LED is available in a pure White, Red, PC Amber, and White/Amber Switchback. Their universal collar fits any headlight or taillight housing, making them the perfect solution for those who are unwilling to compromise on intensity from their turn, brake, tail and daytime running lights.


i-Driver: The intelligent LED Drivers have been tuned to maximize intensity without compromising in the reliability department. The high-output mode is over-driven for < 2 sec to maximize initial intensity, before ramping down to a more conservative drive rate that the system can handle long term.


Style, Even During the Daytime: Don't forget about the fact that everybody still see whats inside of your headlights during the daytime, even when they're un-lit. The GTR i-LED looks superior compared to everything else out there thanks to the fact that you cannot visibly see the LED chips directly. All you see is the business end of the bulb, with its mirror perfect, crystal clear optics protruding out of the anodized aluminum base. Perfection.

3157: GTR i-LED Ultra Turn Signal Bulbs


Take your vehicle’s lighting to the next level with the GTR Ultra i-LED Turn Signal Bulbs—the brightest 3157 LED bulbs on the market. Designed to outperform and outlast, these bulbs use precision-engineered optics that push intense light forward while reflecting over 50% backward—maximizing visibility from every angle.


Built for serious performance, the GTR i-LEDs offer a resistor-free design for true plug-and-play installation. Whether you're replacing dull stock bulbs or stepping up to Switchback functionality, these LEDs integrate seamlessly with your vehicle’s factory housings and wiring.


Choose from a full range of vibrant output colors—White, Red, Amber, or Switchback (White to Amber)—to match your build and application. Ideal for turn signals, brake lights, DRLs, and reverse lights, these bulbs deliver modern performance without flicker, hyperflash, or hassle.


Engineered with quality components and backed by proven reliability, GTR Ultra i-LEDs are the gold standard in 3157 LED upgrades.


Why Choose GTR i-LED Ultra 3157 Bulbs?

  • Unmatched brightness with forward and backward light projection
  • No resistors needed—plug-and-play performance
  • Available in multiple output colors including Switchback
  • Compatible with any housing using 3157 or 3156 sockets
  • Includes gaskets and tools for secure, hassle-free install


People Also Ask

Q: Are 3157 and 3156 bulbs interchangeable?

A: Yes—3157 bulbs are dual-filament while 3156 are single-filament, but GTR i-LED bulbs are designed to be compatible with both socket types.


Q: Will these bulbs cause hyper flashing?

A: In most vehicles, no resistors are needed. For vehicles with sensitive CANBUS systems, optional hyperflash adapters are available.


Q: What are switchback LED bulbs?

A: Switchback LEDs change color depending on function—white for running lights, amber for turn signals—offering style and safety in one solution.


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