✓IGNITION COIL FUNCTION: When your factory ignition coil can fail over time and cause increased gas mileage, hesitant running, and a check engine light lighting, a new Nilight ignition coils pack can make your engine run smoother
✓PURCHASE NOTE: Before purchasing, please use Amazon's Your Garage function to fill in the year/make/model of your vehicle, and verify the fitment of the auto part by the OE number of the replaceable part
✓COMPATIBILITY: Ignition coil pack compatible with 2004-2005 Buick Rainier 4.2L, for Chevrolet 2004-2006 Colorado, 2002-2005 Trailblazer, 2002-2005 Trailblazer EXT 3.5L 2.8L 4.2L, for GMC 2004-2006 Canyon, 2002-2005 Envoy / Envoy XL, 2004-2005 Envoy XUV 2.8L 3.5L 4.2L, for Isuzu 2006 i-280 / i-350, 2007-2008 i-370, 2003-2005/2008 Ascender 2.8L 3.5L 3.7L 4.2L, for 2006 Hummer H3 3.5L, for 2002-2003 Oldsmobile Bravada 4.2L, for Saab 9-7x 4.2L
✓REPLACES PART NUMBERS: UF303, UF-303, E255, 5C1392, GN10114, 19300921, 12568062, C1395, IC414, 5073, 52-1743, 5C1723, C1666, 8-12568-062-0, DQ50164, 28310, 28315, 1788390, IC051218, UF303T, D502A, 521743, 12114, C303, UF303G, 11173596, HPUF303, DR1707 (Please make sure of the OE number, the ignition coils interface pin quantity and interface type before purchasing)
✓OEM QUALITY & LONG LIFESPAN: Adopting high-quality copper wire imported from Germany and wire coatin, Nilight ignition coils has highly shock-resistant and long lifespan. In addition the silicone rubber boot can withstand environments as low as -40°F and even as high as 302°F to ensure excellent insulation