2011-2016 GM/CHEVROLET 6.6L DURAMAX LML NEW OEM BOSCH FUEL RAIL SET
(LH W/SENSORS) 12651989 / (RH) 12620532
Restore your fuel delivery system with this brand new OEM Bosch Fuel Rail Set for the 2011–2016 GM/Chevrolet 6.6L Duramax LML. This set includes both the driver side (LH) fuel rail with pressure sensors (OE part #12651989) and the passenger side (RH) fuel rail (OE part #12620532). Built by Bosch—the original equipment manufacturer for Duramax injection components—this kit is engineered to meet or exceed factory specifications for optimal performance, fuel atomization, and pressure control.
Perfect for trucks experiencing fuel rail leaks, cracked housings, high/low fuel pressure codes, or injector performance issues. Eliminate guesswork by replacing both rails together with genuine OEM parts designed to deliver durability and reliability.
What’s Included in the Kit:
-
1 × Driver Side (LH) Bosch Fuel Rail w/ Fuel Pressure Sensors (12651989)
-
1 × Passenger Side (RH) Bosch Fuel Rail (12620532)
Features & Benefits:
-
Genuine OEM Bosch Quality: Manufactured by Bosch, original supplier for GM Duramax
-
Pre-installed Sensors: Driver side rail includes both fuel pressure sensor and relief valve
-
Restores Performance: Resolves fuel delivery issues and uneven rail pressure
-
Perfect Fitment: Direct OE replacement—no modifications needed
-
High-Pressure Ready: Supports factory CP4 and CP3 retrofit systems
-
Eliminates CEL Codes: Replaces leaking, damaged, or faulty fuel rail components
Compatibility:
Fits 2011–2016 GM/Chevrolet 6.6L Duramax LML Diesel Engines, including:
• 2011–2016 Chevrolet Silverado 2500HD / 3500HD
• 2011–2016 GMC Sierra 2500HD / 3500HD
Works with OEM CP4 fuel systems and CP3 conversion kits.
Shipping Disclaimer:
✔️ We ship via USPS, UPS, and FedEx.
✔️ Carrier selection is based on package size, weight, and destination.
✔️ Expedited shipping options available, call to check freight options
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning:
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Includes :
- 1 - Bosch OEM New Left Side Fuel Rail 12651989 - BOSCH # F00RL01027 (with sensors 0281006313 "12651990" - fuel pressure sensor , 0281006019 "12611872" fuel relief valve sensor) *This is the drivers side with sensor
- 1 - Bosch OEM New Right Side Fuel Rail 12620532 - BOSCH #F00RL00591*This is the passenger side with no sensor
