[Vehicle Fitment]:Compatible With [Cadillac] 2015-2020 Escalade/Escalade Esv 2021-2022 Escalade/Escalade Esv 6.2L 2023-2023 Escalade/Escalade Esv Naturally Aspirated 2016-2019,2022-2023 Cts 6.2L [Chevrolet] 2014-2023 Silverado 1500 4.3/5.3/6.2L 2020-2023 Silverado 2500 Hd/3500 Hd Gas 2019-2019 Silverado 1500 Limited 2022-2022 Silverado 1500 Limited 5.3/6.2L 2015-2023 Tahoe/Suburban 5.3/6.2L 2021-2023 Express 2500/3500 6.6L 2021-2021 Express 4500 2014-2019 Corvette Grand Sport/Stingray/Z06 2016-2023 Camaro 6.2L Lt1/Ss/Zl1(Except 2022) | [Vehicle Fitment]:Compatible With [Gmc] 2014-2023 Sierra 1500 4.3/5.3/6.2L 2015-2023 Yukon/Yukon Xl 5.3/6.2L 2020-2023 Sierra 2500 Hd/3500 Hd Gas 2019-2019 Sierra 1500 Limited 5.3L 2022-2022 Sierra 1500 Limited 5.3/6.2L 2021-2023 Savana 2500/3500 6.6L 2021-2021 Savana 4500 | [Reference Number]:Uf742;C866;5C1876;12621750;12658183;12674754;12699383;12708496;C1819 | [Magnetic Socket]:Its Built-In Magnetic Tip Securely Holds Spark Plugs During Installation/Removal, Reducing Dropped Parts, While The Anti-Slip Hex Design Prevents Rounding. Its Universal 3/8 Drive Works With Standard Ratchets - Making Spark Plug Changes Faster, Safer, And Frustration-Free For Both Mechanics And Diyers. | Efficient Work:Automotive Replacement Ignition Coil | Fast Ignition Within 0.1-0.2 Seconds | 140 ? C High Temperature Corrosion Resistance | Rf Interference Protection | 6500Mi Longer Lifespan | High Voltage Output | Smooth Engine Operation.