4 Ignition Coils UF491 + 4 Spark Plugs XP5263 for GMC for Chevy | Fits GM L4 06-17:LaCrosse,Regal,Cobalt,HHR,Malibu,Equinox,Terrain,Solstice,G5,Aura,Ion,Vue. OE:D522C,12578224,12638824.

GUARANTEED FITMENT IGNITION COIL & SPARK PLUG KIT This complete set includes 4 heavy-duty ignition coils and 4 pre-gapped iridium spark plugs, engineered for GM 2.0L & 2.4L L4 engines (20062017). for Buick LaCrosse/Regal/Verano; for Chevrolet Cobalt/HHR/Malibu/Captiva Sport/Equinox; for GMC Terrain; for Pontiac Solstice/G5; for Saturn Aura/Ion/Sky/Vue; for Saab 9-5. Always verify fitment using the compatibility chart. Each ignition coil is marked with cylinder numbers for installation.; OEM-EXACT REPLACEMENT FOR GM L4 ENGINES Our ignition coils cross-reference to UF491, 12578224, D522C, 12638824, 12629646, 12589623, GN10485, 5C1609, C1552, 673-7201, IC571, 52-1850, UF645, E991, 50081, C706, 921-2109, 921-2090, IC748, E1145, IGN00100, 52-2204, CLS1136, IC571SB, and C1809; iridium spark plugs replace XP5263 and AC Delco / NGK equivalents.

Built strictly to factory dwell time, heat range, and connector specsno check-engine lights, no reflash needed.; WHY REPLACE YOUR IGNITION COILS & PLUGS TOGETHER On GM L4 engines, under-hood heat often exceeds 300°F, degrading ignition coils and widening plug gaps over time. Replacing both your ignition coils and spark plugs together restores the entire ignition patheliminating misfire codes (P0300P0304), rough idle, hesitation, and cold-start stumbles. Its a complete cure, not a band-aid.; INSTANT PERFORMANCE GAINS & BETTER FUEL ECONOMY Upgrade your drive with reliable ignition coils that maintain stable voltage output under high