Ignition Coils UF303 compatible with GMC Saab Buick Isuzu Chevy Trailblazer Colorado Rainier Canyon Envoy Hummer H3 Olds 2.8L 3.5L 4.2L C1395 UF-303

COMPATIBLE WITH OEM NUMBERS - UF-303, 28310, 28315, 1788390, IC051218, UF303T, D502A, 521743, DR1707, 5073, 1C414, HPUF303, UF-303, 11173596, C303, 12114, UF303G, LTR5GP, 5019, BRUF303, B349X11, E255, Ic414, 12568062, E255, 52-1743, GN10114, IC414, 12568062, UF-303, 19300921, DW01659, 8-12568-062-0 Replacement for 2004-2009 Chevrolet Trailblazer Colorado GMC Canyon Envoy Hummer H3 Isuzu Ascender i-290 i-370 Buick Rainier Saab 9-7x Oldsmobile Bravada Reduces common ignition coil issues such as; no/hard start, long crank time, misfires, lack of power, inconsistent transmission shifts, spark plug fouling, premature catalytic converter failure, poor fuel economy, check engine light illumination To keep longer use time of the ignition coils, please pay attention to the condition of sparks.The ignition coils need to work more frequently when work together with the aged spark,that will get the ignition coils become easy to overload and aged 1 Year Limited Warranty - This ignition coil set comes complete with a 1 year warranty. If the coil ever fails on your vehicle within the warranty period, simply contact us for a replacement. Save time and money by taking advantage of this warranty