Dorman 904-573 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Dodge Ram 2500 and 3500

The Dorman 904-573 fuel injection pressure regulator is designed to maintain consistent fuel pressure in your Dodge Ram 2500 or Ram 3500. Engineered with durable metal construction, this regulator ensures stable 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 specifically for Dodge Ram 2500 and Ram 3500 models

Technical Details and Specifications

The Dorman 904-573 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 in diameter. The inlet port uses female threads for secure attachment, while the outlet ports are bolt-on type, ensuring a reliable connection within the fuel system. This standard replacement part operates within the stock pressure range and is not adjustable, providing consistent fuel pressure regulation without the need for manual tuning. It does not include a gauge port or boost/vacuum reference port, aligning with the design requirements of common rail fuel systems.

Applications and Problem Resolution

This fuel injection pressure regulator is compatible with Dodge Ram 2500 and Ram 3500 trucks equipped with common rail fuel systems. It is intended to address issues such as:

• Inconsistent fuel pressure causing engine performance problems
• Fuel delivery fluctuations leading to rough idling or hesitation
• Fuel leaks or pressure drops due to worn or faulty regulators
• Poor fuel economy related to improper fuel pressure regulation
• Engine stalling or misfires linked to fuel system pressure irregularities

Installation Notes and Tips

When installing the Dorman 904-573 fuel injection pressure regulator, ensure the inlet and outlet ports align correctly with the fuel lines. The inlet port features female threads, so use appropriate fittings to secure the connection. The outlet ports are bolt-on type, requiring proper torque to avoid leaks. Since this is a standard replacement part, no adjustments are necessary after installation. It is recommended to inspect surrounding fuel system components for wear or damage during replacement.

Quality Assurance and Warranty

Dorman manufactures this fuel injection pressure regulator to meet OEM standards for fit and function. The metal construction provides durability under typical operating conditions. This part is sold as a standard replacement without adjustable features and is designed to maintain stock pressure ranges. Warranty details should be confirmed with the point of purchase, as coverage may vary.