GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2020
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
EXPRESS 3500
4.8L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2020
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
CAPRICE
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
EXPRESS 4500
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
SILVERADO 2500
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Trans. code 6L90; Engine VIN B; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Trans. code 6L90; Engine VIN B; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
SILVERADO 3500
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Engine Code L96; Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Engine Code LC8; Trans. code 6L90; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine Code L96; Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Trans. code 6L90; Engine VIN B; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
SUBURBAN
6.0L V8
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
CAMARO
6.2L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
SS
6.2L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
GMC
SAVANA 2500
4.8L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2020
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
SAVANA 3500
4.8L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2020
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
SAVANA 4500
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
SIERRA 2500
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Flex Fuel; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or CNG; Gas; Trans. code 6L90; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Trans. code 6L90; Engine VIN B; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
SIERRA 3500
6.0L V8
2015
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Fits Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040or Trans. code 6L90; Engine VIN B; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040; 6 speed Automatic trans.
AI3922, XP3922, XP5243, 12680072, 12621258
2016
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Flex Fuel; Gas; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2017
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2018
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258
2019
GM Original Equipment; Iridium; Pre-Set Gap: 0.040"
Engine VIN G; Original Equipment; Gap Pre-Set At Factory, Do Not Re-Gap; OE-Recommended Gap: 0.040
AI3922, XP3922, XP5243, 12680072, 12621258