PLEASE NOTE: Some vehicles may use two different ignition coil shapes SQUARE UF271 D581 or ROUND UF262 D585 To prevent installation errors please open the engine hood and visually confirm your coil shape before purchase This listing is specifically for the SQUARE type UF271 D581 coil pack
REPLACEMENT PART NUMBERS: UF271 D581 12556893 12558693 C1208 GN10298 52-1618 5C1083 E226 12570553 3859078 392889925 38590782 9748HH 9748UU 9748RR 88862385 Compatible with OEM specifications and designed for direct replacement with factory-fit performance
COMPATIBLE VEHICLES: Designed for Chevrolet Avalanche 2002–2006 Silverado 1999–2007 Tahoe 2000–2006 Express 2003–2006 SSR 2003–2004 Suburban 2000–2006 Monte Carlo 2006 Sonora 2003–2004 Trailblazer 2003–2004 Also fits GMC Envoy XL 2003–2004 Savana 1500 2500 3500 2003–2007 Sierra 1500 1999–2006 Sierra 1500 Classic 2007 Hummer H2 2003–2007 and Mercruiser 2001–2007
HIGH PERFORMANCE BUILD: Each ignition coil is built with premium-grade German copper windings for improved conductivity faster ignition response and stable voltage output Wrapped in durable high-temperature polyester rubber the UF271 coil resists heat and vibration ensuring reliable long-term operation under tough driving conditions
COMPLETE PACKAGE: The ignition coil kit includes 8 high-performance UF271 coils 8mm 9748UU standard spark plug wires and 8 spark plugs providing a full ignition system refresh The components are engineered for optimal durability smooth engine start improved fuel efficiency and enhanced power delivery ensuring consistent ignition performance in all weather conditions