Dorman 904-156 Fuel Injector Line - Supply

Reliable Fuel Injector Line for Chevrolet and GMC Trucks

The Dorman 904-156 fuel injector line is engineered to provide a durable and precise fuel delivery solution for select Chevrolet and GMC heavy-duty trucks. Constructed from high-quality steel, this silver zinc-coated line ensures long-lasting performance under high pressure.

• Material: Steel with zinc plating for corrosion resistance
• Length: 4.5 inches
• Inside diameter: 0.142 inches; Outside diameter: 8 mm
• Fittings: Female inlet (M14 x 1.5 metric coarse thread) and female outlet (M18 x 1.5 metric coarse thread)
• Maximum pressure rating: 25,000 psi
• Includes one fuel injector line assembly

Durable Construction and Precise Fitment

Manufactured from robust steel with a corrosion-resistant silver zinc finish, the Dorman 904-156 fuel injector line is designed to withstand the demanding conditions of fuel injection systems. The line features metric coarse threaded female fittings on both inlet and outlet ends, ensuring a secure and leak-free connection. With a wall thickness of 0.087 inches and a maximum pressure rating of 25,000 psi, this fuel injector line maintains integrity under high fuel pressures common in diesel and gasoline engines.

Compatible Vehicles and Applications

This fuel injector line is compatible with a range of Chevrolet and GMC heavy-duty trucks, including:

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

It is specifically designed to replace the fuel injector line assembly in these models, ensuring proper fuel delivery and system performance.

Common Issues Addressed by This Fuel Injector Line

• Fuel leaks caused by cracked or corroded injector lines
• Reduced engine performance due to inconsistent fuel delivery
• Fuel pressure loss impacting injector operation
• Wear and tear from exposure to heat and chemicals
• Replacement of damaged or worn factory fuel lines

Installation Notes and Tips

When installing the Dorman 904-156 fuel injector line, ensure all fittings are clean and free of debris. Use appropriate tools to tighten the M14 x 1.5 and M18 x 1.5 metric coarse threaded fittings to manufacturer torque specifications to prevent leaks. Inspect surrounding components for wear or damage during installation. This part is designed as a direct replacement and should fit the specified Chevrolet and GMC models without modification.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-156 fuel injector line undergoes rigorous quality control to ensure durability and reliability in demanding automotive environments. Please refer to Dorman's official warranty policy for specific coverage details.