Dorman 904-156 Fuel Injector Line - Supply

Dorman 904-156 Fuel Injector Line

The Dorman 904-156 fuel injector line is a replacement fuel injector feed line engineered to match the original fit and design on specific vehicles. Built from steel with a silver zinc finish, it is made for high-pressure fuel delivery in the supply circuit.

Compatible With 2007-2010 Chevrolet Express 2500, Supply; 2007-2010 Chevrolet Express 3500, Supply; 2007-2010 Chevrolet Silverado 2500 HD, Supply; 2007-2010 Chevrolet Silverado 3500 HD, Supply; 2007-2010 GMC Savana 2500, Supply; 2007-2010 GMC Savana 3500, Supply; 2007-2010 GMC Sierra 2500 HD, Supply; 2007-2010 GMC Sierra 3500 HD, Supply.

• OE-style replacement fuel injector line for specific GM applications
• Steel construction with silver/zinc finish for corrosion resistance
• Female inlet and outlet fittings with M14 x 1.5 and M18 x 1.5 metric coarse threads
• Designed for the supply side at cylinders 4 and 5
• High-pressure line rated to 25000 PSI
• Direct replacement format for cleaner routing and proper fit

This fuel injector line is built for the fuel injection system on select Chevrolet and GMC trucks and vans, including Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Express 2500, Express 3500, Savana 2500, and Savana 3500 applications. Dorman 904-156 follows the original line layout and connection style, making it a practical choice when replacing a damaged, leaking, or corroded injector feed line. This part cross-references 98006526 for the same application.

Common Reasons to Replace

• Fuel seepage or visible leakage at the injector line
• Corrosion or rust on the original steel line
• Cracked, bent, or damaged fuel supply tubing
• Poor fuel delivery to cylinders 4 and 5
• Improper sealing at the threaded injector connections

Installation Notes

Verify the vehicle’s engine configuration and cylinder application before installation. Confirm the M14 x 1.5 inlet and M18 x 1.5 outlet thread sizes, along with the supply-side routing, to ensure correct placement on the fuel injection system. Clean the mating surfaces and inspect adjacent fuel system components for wear or contamination before final assembly.

Quality Assurance

Dorman designs this replacement line to match the original fit and design for the listed vehicles, helping restore proper fuel system routing and connection integrity on compatible Chevrolet and GMC applications.