2014-2022 GMC Sierra / Chevrolet Silverado/5.3/L83 OEM GDI Fuel Injector PN: 12668390 or 12681212 upgrade All sets are flow matched

All sets are flow matched for better performance

This module can be used on many newer GM vehicles that no longer use a clutch position switch

Yukon & Canyon

2L L86 engines

they are available without the extended tip

2014-2022 GMC Sierra / Chevrolet Silverado/5.3/L83 OEM GDI Fuel Injector PN: 12668390 or 12681212 upgrade All sets are flow matchedBrand New Fuel Injector Fits 2014 2017 GMC Sierra 2014 2017 Chevrolet Silverado L83 Engines Part Number: 12668390 this supersedes many gm part#'s. You may receive PN 12681212 which supersedes 12668390. Please note that there is no functional difference between "low", "nominal", and "high" versions; ALL 8 INJECTORS MUST HAVE THE SAME PART NUMBER. IF YOU ARE PURCHASING A REPLACEMENT, PLEASE LET US KNOW IN THE CHECKOUT NOTES WHICH PART NUMBER YOU HAVE.