GM LML Duramax Fuel Rails Set LH & RH w/ Sensors 2011–2016 Silverado Sierra HD

Ensure proper fuel delivery and restore high-pressure performance with this complete set of OEM GM fuel rails for the 2011–2016 Silverado and Sierra HD 6.6L LML Duramax. Includes both the RH (Passenger Side) and LH (Driver Side) rails.

Perfect for contaminated or failing components following CP4 pump failure, or as a direct-replacement during a fuel system overhaul.

Kit Includes:
RH Fuel Rail (Passenger Side)
GM Part #: 12620532
BOSCH #: F00RL00591
Location: RH / Passenger Side
UPC: 4047025378062

LH Fuel Rail (Driver Side)
GM Part #: 12651989
BOSCH #: F00RL01027
Location: LH / Driver Side
Includes pre-installed:
Fuel Pressure Relief Valve – GM 12611872 / BOSCH 0281006019
Fuel Pressure Sensor – GM 12651990 / BOSCH 0281006313
UPC: 4047025378079

Features & Benefits:
- Genuine GM OE parts – not aftermarket
- Direct fitment for 2011–2016 LML Duramax
- Ideal for replacing rails contaminated by CP4 injection pump failure
- LH rail includes new pressure relief valve & sensor
- High-quality Bosch-manufactured components
- Restores proper fuel rail pressure and sensor communication

Vehicle Fitment:
2011–2016 Chevrolet Silverado 2500HD / 3500HD (6.6L LML Duramax Diesel)
2011–2016 GMC Sierra 2500HD / 3500HD (6.6L LML Duramax Diesel)