Explore the full lineup of LML Duramax parts including CP4 to CP3 conversion kits, DPF delete exhaust systems for off-road use, and upgraded turbochargers. Built for 2011–2016 Silverado and Sierra 2500/3500 HDs, these LML performance upgrades help eliminate common fuel system failures while increasing power and reliability. Tuning options support switch-on-the-fly with popular platforms like EZ Lynk and H&S.
Restore your Duramax fuel system to factory performance with the OEM GM 19420326 Fuel Pump Kit, a complete replacement solution engineered specifically for 2011–2016 6.6L Duramax LML diesel trucks...
WARNING! This product is not legal in the state of California. This product when used incorrectly may violate local, state, and federal laws pertaining to emissions, tra