Set of 8 Square Ignition Coil Pack Replacement for Chevrolet GMC Cadillac Camaro Corvette Express Impala CTS Rainier Avalanche Silverado Suburban Savana V8 Replace# UF413 12611424 12570616 Item Description About this item ?Vehicle Fitment-1?Set of 8 ignition coil compatible with GMC Envoy 5.3L, Savana 1500 5.3L, Savana 2500 4.8L, Savana 3500 4.8L 6.0L, Sierra 1500 4.8L 5.3L 6.0L 6.2L, Sierra 1500 Classic 4.8L 5.3L, Sierra 2500 HD 6.0L, Sierra 3500 HD 6.0L, Yukon 5.3L 6.0L 6.2L, Yukon XL 1500 5.3L 6.0L 6.2L. Compatible with Buick LaCrosse 5.3L, Rainier 5.3L. Compatible with Cadillac CTS 6.2L, Escalade ESV EXT 6.2L. Compatible with Pontiac G8 6.0L, Grand Prix 5.3L. ?Vehicle Fitment-2?Set of 8 ignition coil compatible with Chevrolet Avalanche 5.3L, Camaro 6.2L, Caprice 6.0L, Corvette 6.0L, Corvette 6.2L, Corvette 7.0L, Express 1500 5.3L, Express 2500 4.8L, Express 2500 6.0L, Express 3500 4.8L 6.0L, Express 4500 6.0L, Impala 5.3L, Monte Carlo 5.3L, Silverado 1500 4.8L 5.3L 6.0L 6.2L, Silverado 2500 6.0L, Silverado 3500 6.0L, Suburban 1500 5.3L 6.0L, Suburban 2500 6.0L, Tahoe 4.8L 5.3L 6.0L, Trailblazer 5.3L 6.0L. Compatible with Hummer H2 6.2L, H3 5.3L. Compatible with Isuzu NPR 6.0L. ?Compatible Part Numbers?Coil packs compatible to UF413, D510C, D513A, 5C1554, E893, 52-1819, IC533, 12570616, 12611424, 48713, 178-8411, GN10165, C-721, C1511. ?Coils Features?The ignition coils are easy to install,installed with the original chip to enhance the heat resistance, wear resistance and corrosion resistance of each coil. Thereby reducing the common problems of ignition coil misfire, long starting time, poor fuel economy, insufficient power, etc. ?Precautions for Purchase?Please confirm the compatibility according to the year/make/model of your vehicle and the OE number of the replaceable part. ? See more product details Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.