8 Ignition Coils for UF271 GM 5.3-6.0L V8 for Chevy for GMC | Fits 1999-2006: Tahoe,Silverado,Suburban,Avalanche,Yukon,Sierra,Escalade,H2.OE:12558693,D581.Better MPG, Long-lasting

GUARANTEED FITMENT IGNITION COIL KIT This complete set includes 8 heavy-duty ignition coils, engineered for 5.3L & 6.0L V8 engines (19992006). for Chevrolet Tahoe/Silverado/Suburban/Avalanche; for GMC Yukon/Sierra; for Cadillac Escalade; for Hummer H2. 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 UF271, 12558693, 12556893, 12570553, 19355500, 3859078, 38590782, GN10298, 52-1618, 5C1083, C1208, D581, and E226. 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. Built with silicon steel cores, high-pressure rubber protective sleeves, Japanese high-temp epoxy, and German copper windings, our coils resist cracking, voltage leaks, and interferencedelivering quicker ignition, improved spark plug power, and optimized fuel economy (+12 MPG) with a service life over 60, 000 kilometers.

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