AIP Electronics Premium Ignition Coil Pack Compatible Replacement for 1999-2009 Cadillac Chevrolet GMC and Hummer OEM Fit C271

Restore proper spark in your vehicle with this ignition coil. Coil replacement will ensure a more efficient burn and promote fuel economy. Common symptoms of failing ignition coil(s) include: Engine shake loss of power decrease in fuel economy and possible ignition coil malfunction codes from your onboard diagnostics. Replacing your coils in pairs or all at the same time is recommended to ensure proper function and preservation of the new ignition coils. Comes with all components shown. This part is a direct OEM Replacement part and is ready for installation directly out of the box. Vehicle Fitment: 2008-2009 Buick Allure 5.3L V8 VIN: C Engine: LS4, 4T65-E-HD 2005-2006 Isuzu Ascender 5.3L V8 1st Design; MELCO-MITSUBISHI; VIN: M, Engine: LH6; W/SQUARE-SHAPED COILS & MARKED 12570616, FOR 2ND DES SEE 12573190 2007-2009 Chevrolet Avalanche 6.0L V8 MELCO-MITSUBISHI)(W/SQUARE-SHAPED COILS & MARKED 12570616; VIN: Y, Engine: L76 2007-2009 Chevrolet Avalanche 5.3L V8 MELCO-MITSUBISHI)(W/SQUARE-SHAPED COILS & MARKED 12570616; VIN: J, Engine: LY5 2007-2013 Chevrolet Avalanche 5.3L V8 FLEX MELCO-MITSUBISHI)(W/SQUARE-SHAPED COILS & MARKED 12570616; VIN: J, Engine: LY5 2011-2015 Cadillac CTS 6.2L V8 Supercharged MELCO-MITSUBISHI; V, VIN: P, Engine: LSA 2015 Chevrolet Camaro 7.0L V8 MELCO-MITSUBISHI; W/SQUARE-SHAPED COILS AND MARKED 12611424; Z/28, VIN: E, Engine: LS7 2010-2015 Chevrolet Camaro 6.2L V8 MELCO-MITSUBISHI; SS, VIN: J, Engine: L99; W/SQUARE-SHAPED COILS & MARKED 12611424 2012-2015 Chevrolet Camaro 6.2L V8 Supercharged MELCO-MITSUBISHI; W/SQUARE-SHAPED COILS AND MARKED 12611424; ZL1, VIN: P, Engine: LSA 2009-2012 GMC Canyon 5.3L V8 1st Design; MELCO-MITSUBISHI; VIN: L, Engine: LH8; W/SQUARE-SHAPED COILS AND MARKED 12570616 2011-2017 Chevrolet Caprice 6.0L V8 FLEX MELCO-MITSUBISHI; PPV, VIN: 2, Engine: L77; W/SQUARE-SHAPED COILS & MARKED 12611...