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Cummins Fuel Rail Pressure Relief Valve - 5.9L Common Rail Cummins
Product details
Cummins Fuel Rail Pressure Relief Valve - 5.9L Common Rail Cummins
Cummins part 3947799 is a fuel-system component for 2003-2007 Dodge 5.9L Common Rail Cummins. It performs the high-pressure or low-pressure function identified in the product title and is matched to the factory Cummins fuel-system architecture.
Cummins engine parts can change by engine serial number, CPL and production date, so exact part-number verification is recommended before disassembly.
Key Features
- Application-specific Cummins fuel-system part
- OE-style fittings and dimensions
- Designed for the listed injection-system generation
- Direct service replacement
- Provides over-pressure protection for the common-rail circuit
Fitment
2003-2007 Dodge 5.9L Common Rail Cummins
Important Installation Notes
- Verify engine CPL/serial range and model year where Cummins service parts have running production changes.
- Maintain strict fuel-system cleanliness during installation.
Product Information
- Manufacturer: Cummins
- Manufacturer Part #: 3947799
- Product Type: Fuel Rail Relief Valve
- Catalog detail: nufacturer Part #: 3947799 Cummins fuel rail pressure relief valve for the application listed above. Verify exact year, model, engine, transmission, emissions configuration, and installation requirements before ordering.
How do I verify fitment?
Match the product fitment information to your exact year, make, model, engine, drivetrain and configuration. If anything is unclear, email sales@hilltopdieselperformance.com before ordering.
Where can I find shipping and return information?
Policy links are available in the site footer and checkout. Product-specific restrictions or core requirements are shown in the product description when applicable.