Dorman 904-128 Fuel Injector Line

Durable Stainless Steel Fuel Injector Line for Chevrolet and GMC

The Dorman 904-128 fuel injector line is engineered for reliable fuel delivery in heavy-duty trucks. Designed specifically for Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models, this stainless steel fuel injector line ensures consistent performance under high pressure.

• Constructed from corrosion-resistant stainless steel for long-lasting durability
• 10-inch length with precise 0.117-inch inside diameter and 0.313-inch outside diameter
• Equipped with two female metric fine fittings (M14-1.50 thread size) for secure connections
• Rated for maximum pressure up to 40,000 psi to handle demanding fuel injection systems
• Includes two protective covers to safeguard the fuel feed line during installation

Technical Specifications and Features

This fuel injector line features a 0.196-inch wall thickness, providing strength and resistance to wear. Both inlet and outlet fittings are female with metric fine threads sized M14-1.50, ensuring compatibility with factory fuel injection components on Chevrolet and GMC heavy-duty trucks. The stainless steel construction extends to the fittings, enhancing corrosion resistance and maintaining fuel system integrity. The single hose/line design with one inlet and two outlets supports efficient fuel distribution in multi-injector setups.

Compatible Vehicles and Applications

The Dorman 904-128 fuel injector line is compatible with the following models:

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

This part is ideal for addressing issues related to fuel delivery in these heavy-duty trucks, including:

• Fuel leaks caused by worn or damaged injector lines
• Reduced fuel pressure affecting engine performance
• Corrosion or rust compromising fuel system components
• Cracks or breaks in original fuel injector lines
• Fuel injector line replacement during engine rebuilds or upgrades

Installation Notes and Tips

When installing the Dorman 904-128 fuel injector line, ensure all fittings are clean and free of debris before assembly. Use appropriate tools to tighten the M14-1.50 metric fine thread fittings to manufacturer torque specifications to prevent leaks. The included protective covers should be used during installation to avoid damage to the fuel feed line. It is recommended to inspect surrounding fuel system components for wear or damage during replacement.

Quality Assurance and Warranty

Dorman manufactures this fuel injector line to meet or exceed OEM standards for fit, form, and function. The stainless steel material and precision fittings provide durability and resistance to high-pressure fuel system demands. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.