F00R004272 - Bosch Fuel Pressure Sensor

Fuel Rail Pressure Sensor for 2001–2004 GM 6.6L Duramax LB7 – Direct OE Replacement

Restore proper fuel system function in your 2001–2004 GM 6.6L Duramax LB7 with this new Fuel Rail Pressure Sensor. Designed to accurately monitor fuel rail pressure, this sensor plays a critical role in regulating fuel delivery and detecting potential system leaks. A failing sensor can lead to rough idling, poor fuel economy, and check engine lights—this updated direct replacement helps resolve all that and more.

Though the appearance has changed, this sensor retains original fitment and function, ensuring seamless integration with your factory setup.

Key Features:

• ✅ Direct OE Replacement – Updated design with original equipment fit and function

• ✅ Fixes Common Symptoms – Resolves rough idle, poor fuel efficiency, and CEL (check engine light)

• ✅ Accurate Pressure Monitoring – Ensures proper rail pressure for smooth engine operation

• ✅ One-Year Warranty – Backed against defects in materials and workmanship

• ✅ Easy Installation – No modifications required

Benefits:

• Prevents and eliminates rough idle

• Restores factory fuel efficiency

• Turns off check engine light related to pressure sensor failure

• Supports accurate rail pressure data for EVAP and fuel system diagnostics

Compatibility:

• 2001–2004 Chevrolet Silverado 2500 HD / 3500 (6.6L Duramax LB7)

• 2001–2004 GMC Sierra 2500 HD / 3500 (6.6L Duramax LB7)

Keep your LB7 running strong—replace your worn-out fuel rail pressure sensor with this high-quality direct-fit unit and bring your diesel back to life