Standard Ignition FIR21 Diesel Fuel Injector Rail - Right

Diesel Fuel Rail for Direct Injection Systems

Standard Ignition FIR21 is a diesel fuel injector rail assembly with sensors for direct injection fuel systems. It is built for the right-side application on select Chevrolet Silverado HD and GMC Sierra HD trucks from 2006 through 2010.

Key Features

• Fuel rail assembly with sensors included
• Diesel fuel injection type
• Direct injection fuel injector type
• No fuel injectors included
• No fittings included
• No gasket or seal included

Application Details

Compatible with 2006-2010 Chevrolet Silverado 2500 HD, right; 2007-2010 Chevrolet Silverado 3500 HD, right; 2006-2010 GMC Sierra 2500 HD, right; 2007-2010 GMC Sierra 3500 HD, right; 2006 Chevrolet Silverado 3500, right; and 2006 GMC Sierra 3500, right. Standard Ignition FIR21 is a direct-fit diesel fuel injector rail for these right-side applications, making it a relevant replacement for Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD diesel fuel systems.

This part cross-references 800-97713 and DFR112 for the same application.

Common Issues This Part Can Address

• Fuel rail damage or leakage at the rail assembly
• Sensor-related fuel rail faults in the injection system
• Pressure delivery problems at the diesel injector rail
• Replacement needs after corrosion or physical damage
• Service repair for direct injection fuel rail failure

Installation Notes and Tips

Verify right-side fitment before ordering and compare the original rail layout, sensor locations, and connector style to the removed part. This assembly does not include fuel injectors, fittings, gaskets, or seals, so reuse or source those components separately as needed for the repair.

Quality Assurance

Standard Ignition supplies replacement fuel system components for service applications, and FIR21 is cataloged for the listed Chevrolet and GMC diesel truck fitments.