Description of MAS Compatible Ignition UF271 H6T55171ZC
IMPORTANT: The manufactures of the vehicles changed their coils mid-year so your vehicle might need the UF271 (Square) or UF262 (Round) Coils depending on what month the vehicle was made in.Please check your oringnal coil type before you purchase. Replacement for C4500 Topkick, C5500 Topkick, C6500 Topkick, C7500 Topkick, C7500 Kodiak, Silverado 2500 HD, Silverado 3500, Savana 3500, Sierra 1500, Sierra 1500, Sierra 2500 HD, Sierra 3500, Avalanche 2500, Silverado 2500 HD, Silverado 3500, Suburban 2500, Savana 2500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, Yukon XL 2500, Escalade, Sierra 2500, Express 3500 4.8L 5.3L 6.0L. DIRECT REPLACEMENT/ UPGRADE over your original stock coils. We only use the highest grade materials. This makes our product durable and reliable under extreme conditions while providing High Electrical Resistance, strong Spark from plugs, and being resistant to Corrosion and Abrasion. Replaces dealer part numbers: UF271, 52-1618, 5C1083, C1208, 38590782, E226, 12558693, D581, 5C1083, 521618, 26347, UF-271, H6T55171ZC, B314, GN10298, 50253, IC400, C561, 9201052, IC328, 3859078. 100% Compatible with OEM Parts, One year warranty.