Dorman 904-572 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Chevrolet and GMC Trucks

The Dorman 904-572 fuel injection pressure regulator is designed to maintain consistent fuel pressure in your vehicle's common rail fuel system. Engineered for use with Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models, this metal regulator ensures stable fuel delivery under stock pressure conditions.

• Durable metal construction for long-lasting performance
• Compatible with common rail fuel injection systems
• Non-flanged inlet and outlet ports with female thread inlet and bolt-on outlet attachment
• Maximum pressure reading of 50 PSI with a stock pressure range
• Designed for Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500
• Standard replacement grade for reliable operation

Product Details and Specifications

The Dorman 904-572 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. Both inlet and outlet ports are non-flanged, with the inlet utilizing female threads and the outlet designed for bolt-on attachment. This regulator is not adjustable and does not include a gauge or boost/vacuum reference port, making it suitable for maintaining stock fuel pressure in compatible common rail systems. The unit is supplied as a single fuel pressure regulator without installation hardware.

Applications and Problem Resolution

This fuel injection pressure regulator is compatible with the following vehicles:

• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500
• GMC Sierra 2500 HD
• GMC Sierra 3500

It is designed to address common fuel system issues such as:

• Inconsistent fuel pressure causing engine performance problems
• Fuel delivery irregularities leading to rough idling or stalling
• Pressure drops affecting fuel injection timing and efficiency
• Replacement of worn or faulty pressure regulators in stock fuel systems

Installation Notes and Tips

When installing the Dorman 904-572 fuel injection pressure regulator, ensure the inlet and outlet ports align correctly with the vehicle’s fuel lines. The inlet features female threads, so compatible fittings are required for secure attachment. Since installation hardware is not included, use existing or appropriate fasteners for the bolt-on outlet connection. It is recommended to verify fuel system compatibility and pressure specifications before installation to maintain optimal engine performance.

Quality Assurance and Warranty

Dorman manufactures this fuel injection pressure regulator to meet standard replacement grade requirements, ensuring dependable operation in Chevrolet and GMC common rail fuel systems. While specific warranty details are not provided, Dorman parts typically undergo rigorous quality control to comply with OEM standards for fit and function.