Standard Ignition PR544 Fuel Injection Pressure Regulator - Left Center

Overview of Standard Ignition PR544 Fuel Injection Pressure Regulator

The Standard Ignition PR544 is a new, adjustable fuel injection pressure regulator designed specifically for diesel engines. Engineered for compatibility with select Chevrolet and GMC heavy-duty models, this regulator ensures precise fuel pressure control for optimal engine performance.

• Adjustable fuel injection pressure for fine-tuning
• Constructed from durable steel with a silver finish
• Returnless type regulator with one inlet and one outlet port
• Bolt mount installation for secure fitment
• Compatible with diesel fuel systems on Chevrolet and GMC trucks and vans

Product Details and Specifications

The PR544 fuel injection pressure regulator by Standard Ignition is crafted from steel, providing strength and corrosion resistance with its silver finish. This returnless regulator features a single inlet and outlet port, designed to maintain consistent fuel pressure in diesel fuel injection systems. Its adjustable design allows mechanics and technicians to calibrate fuel pressure according to specific engine requirements. The bolt mount type ensures a secure and straightforward installation process. This part is new and does not include a reference port, focusing on essential functionality for diesel-powered Chevrolet Express 2500, Express 3500, GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models.

Compatible Vehicles and Applications

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

• Chevrolet Express 2500 and Express 3500
• GMC Savana 2500 and Savana 3500
• Chevrolet Silverado 2500 HD and Silverado 3500 HD
• GMC Sierra 2500 HD and Sierra 3500 HD

It is designed to regulate fuel pressure in the fuel injection system, helping maintain engine efficiency and performance in these heavy-duty trucks and vans.

Common Issues Addressed by PR544 Regulator

• Inconsistent fuel pressure causing engine hesitation or stalling
• Fuel leaks or pressure drops in the injection system
• Poor engine performance under load or during acceleration
• Difficulty maintaining proper fuel delivery in diesel engines
• Fuel system pressure fluctuations affecting emissions and fuel economy

Installation Notes and Tips

Installation of the Standard Ignition PR544 requires basic mechanical skills and appropriate tools for bolt mounting. Ensure the engine is cool and fuel system pressure is relieved before removal of the old regulator. Verify compatibility with your specific Chevrolet or GMC diesel model before installation. Adjust the regulator pressure as needed following manufacturer specifications or diagnostic procedures. Proper sealing and torque of mounting bolts are essential to prevent leaks.

Quality Assurance and Warranty

Standard Ignition manufactures the PR544 fuel injection pressure regulator to meet OEM standards for fit, form, and function. This new part is built with high-quality steel and finished in silver for durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to ensure reliable operation in diesel fuel systems.