1 Coil + 4 Iridium Plugs UF669 XP3922 1.4/1.8L L4 for Chevy Buick | Fits:Encore,Cruze(11-15),Sonic(12-19),Trax(15-19),Volt(11).OE:D521C,55575499 7805-1231,GN10401.Better MPG,Long-lasting

GUARANTEED FITMENT IGNITION COIL & SPARK PLUG KIT This complete set includes 1 heavy-duty ignition coil and 4 pre-gapped iridium spark plugs, engineered for GM 1.4L & 1.8L L4 engines (20112019). for Buick Encore; for Chevrolet Cruze (20112015, 2016 Limited 1.8L ), Sonic (20122019), Trax (20152019), Volt (2011). Always verify fitment using the compatibility chart. The ignition coil is marked with cylinder number for foolproof installation.; OEM-EXACT REPLACEMENT FOR GM L4 ENGINES Our ignition coils cross-reference to UF669, 7805-1231, GN10401, 55577898, 55579072, 55575499, 25195107, 19005362, 12008092, 1208092, 1208096, 55575499, 25198623, and D521C; iridium spark plugs replace XP3922 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 coil 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 loads.

Expect a smoother idle, sharper throttle response, and a noticeably quieter engine right after installation. Our iri