8 Ignition Coils UF543 224481KC0A with Buick Cadillac 4.4-4.6L V8 | Fits: Lucerne(07-11),DTS(07-11),SRX(07-09),STS(07-10),XLR(07-09). OE:12597745,GN10453,6737301,IC623.Better MPG, Long-lasting

GUARANTEED FITMENT IGNITION COIL KIT This complete set includes 8 heavy-duty ignition coils, engineered for 4.4L & 4.6L V8 engines (20072011). for Buick Lucerne (20072011, 4.6L ); for Cadillac DTS (20072011, 4.6L ), SRX (20072009, 4.6L ), STS (20072010, 4.6L ), XLR (20072009, 4.4L / 4.6L ). Always verify fitment using the compatibility chart. Each ignition coil is marked with cylinder numbers for foolproof installation.; OEM-EXACT REPLACEMENT FOR V8 ENGINES Our ignition coils cross-reference to UF543, 12597745, 48720, 5C1616, D598A, B291, 42597745, C1559, GN10453, 2505-301075, 368202, 52-1857, 673-7301, 673-7304, C-840, CLS1223, CUF543, E1043, IC623, IC623SB, U5186, and UF543T.

Built strictly to factory dwell time, heat range, and connector specsno check-engine lights, no reflash needed.; WHY REPLACE YOUR IGNITION COILS On V8 engines, under-hood heat often exceeds 300°F, degrading ignition coils over time. Replacing your ignition coils restores the entire ignition patheliminating misfire codes (P0300P0308), rough idle, hesitation, and cold-start stumbles. It's 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. Precision-engineered with silicon steel cores, German enameled copper wiring, Japanese epoxy resin, and reinforced rubber sleeves for heat/voltage resistancebuilt to prevent cracking, shorts, and premature failure.

Expect smooth