Dorman 904-581 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Dodge Ram

The Dorman 904-581 fuel injection pressure regulator is designed to maintain consistent fuel pressure in your Dodge Ram 2500, 3500, and 4000 models. Engineered with durable metal construction, this standard replacement part ensures proper fuel delivery for common rail fuel systems.

• Constructed from durable metal for long-lasting performance
• Maximum pressure reading of 50 PSI for accurate regulation
• Compatible with common rail fuel injection systems
• Non-flanged inlet and outlet ports with female threads and bolt-on attachment
• Designed for Dodge Ram 2500, 3500, and 4000 models

Technical Details and Specifications

The Dorman 904-581 fuel injection pressure regulator features a single inlet port with a diameter of 0.12 inches and four outlet ports each measuring 0.093 inches. Both inlet and outlet ports are non-flanged, with the inlet attachment utilizing female threads and the outlet designed for bolt-on installation. This regulator is calibrated to maintain stock pressure levels without adjustability and does not include a gauge or boost/vacuum reference port. It is intended as a standard replacement part for common rail fuel systems, ensuring compatibility and reliable operation within specified pressure ranges.

Applications and Problem Resolution

This fuel injection pressure regulator is compatible with Dodge Ram 2500, 3500, and 4000 models, providing precise fuel pressure control for optimal engine performance. It addresses several common fuel system issues, including:

• Inconsistent fuel pressure causing engine hesitation or stalling
• Fuel leaks due to worn or damaged regulators
• Poor fuel economy resulting from improper fuel delivery
• Engine misfires linked to pressure fluctuations
• Difficulty starting or rough idling caused by pressure irregularities

Installation Notes and Tips

Installation of the Dorman 904-581 fuel injection pressure regulator requires basic mechanical skills and appropriate tools. The regulator features a bolt-on outlet attachment and a female-threaded inlet port, facilitating secure connections. Note that installation hardware is not included, so ensure you have the necessary bolts and fittings before beginning. Always relieve fuel system pressure before removal and installation to prevent fuel spray. Verify all connections are tight and leak-free after installation.

Quality Assurance and Warranty

Dorman manufactures this fuel injection pressure regulator to meet standard replacement part specifications, ensuring reliable performance and durability. While installation hardware is not included, the part is designed for straightforward replacement in compatible Dodge Ram models. Please refer to Dorman's warranty policy for coverage details, typically including limited warranties against defects in material and workmanship.