Alliant Power AP63632 Fuel Rail Pressure Sensor monitors high-pressure fuel rail pressure on compatible 6.6L Duramax L5P applications. The sensor sends real-time pressure information to the engine control system so fueling can be managed accurately as engine load and demand change.
Replacing an inaccurate or failed rail pressure sensor can help restore dependable pressure feedback, fuel-system control, starting, and drivability. Its application-specific design supports direct service on Silverado and Sierra HD diesel trucks.
Features:
- Monitors high-pressure fuel rail pressure in real time
- Supports accurate fuel delivery and engine control response
- Application-specific fit for 6.6L Duramax L5P trucks
- Helps restore dependable pressure feedback to the ECM
- Supports proper starting drivability and fuel metering
- OE-style sensor configuration supports direct service
- Useful for rail-pressure related diagnostic repairs
- Built for demanding common-rail diesel fuel systems
Specifications:
- Brand: Alliant Power
- Manufacturer Part Number: AP63632
- Product Type: Fuel Rail Pressure Sensor
- Condition: New
- Engine: 6.6L Duramax L5P
- Manufacturing Label: New
- Country/Region of Origin: CN
- Gross Weight: 0.137 lb
- Alliant Catalog No.: APP41114
- Cross References: 12647909; 12686809; 904-074; FPS121; FPS620
Included:
- (1) Fuel Rail Pressure Sensor
Fitment:
- 2017–2023 Chevrolet Silverado 2500 HD 6.6L Duramax L5P
- 2017–2023 Chevrolet Silverado 3500 HD 6.6L Duramax L5P
- 2017–2023 GMC Sierra 2500 HD 6.6L Duramax L5P
- 2017–2023 GMC Sierra 3500 HD 6.6L Duramax L5P
- 2019–2023 Chevrolet Silverado 4500 HD 6.6L Duramax L5D Cab & Chassis
- 2019–2023 Chevrolet Silverado 5500 HD 6.6L Duramax L5D Cab & Chassis
- 2019–2023 Chevrolet Silverado 6500 HD 6.6L Duramax L5D Cab & Chassis
Notes:
- Fuel Rail Pressure (FRP) sensor. XDP: 2017–2023 L5P; 2019–2023 L5D.