Dorman 904-129 Fuel Injector Line

Reliable Fuel Injector Line for Chevrolet and GMC Trucks

The Dorman 904-129 fuel injector line is engineered to provide durable and precise fuel delivery for heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500, 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 a 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 a maximum pressure of 40,000 psi to handle demanding fuel injection systems
• Includes two protective covers to safeguard the fuel feed line during installation and operation

Durable Stainless Steel Construction and Precise Specifications

This fuel injector line features a robust stainless steel body and fittings, designed to withstand the high pressures typical in fuel injection systems of heavy-duty trucks. The 10-inch length and precise inside and outside diameters ensure optimal fuel flow and compatibility with the fuel injection components of Chevrolet Sierra and Silverado 2500 HD and 3500 models. Both inlet and outlet fittings are female with metric fine threads (M14-1.50), providing a secure and leak-resistant connection.

Compatible Vehicles and Applications

The Dorman 904-129 fuel injector line is compatible with the following vehicles:

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

This part is designed to replace worn or damaged fuel injector lines, ensuring reliable fuel delivery and engine 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 affecting injection timing and efficiency
• Wear and tear from exposure to high pressure and heat
• Replacement of damaged or deteriorated fuel feed lines in heavy-duty trucks

Installation Notes and Tips

When installing the Dorman 904-129 fuel injector line, ensure all fittings are clean and free of debris. Use appropriate tools to tighten the M14-1.50 metric fine thread fittings to the manufacturer’s torque specifications to prevent leaks. The included protective covers should be installed to shield the line during operation. It is recommended to inspect related fuel system components during installation for optimal performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 904-129 fuel injector line is constructed from high-quality stainless steel materials to resist corrosion and wear. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in their replacement parts.