Dorman 819-874 Fuel Line - Front

Overview of Dorman 819-874 Fuel Line for Chevrolet and GMC Trucks

The Dorman 819-874 fuel line is designed specifically for select Chevrolet and GMC heavy-duty trucks, including the Sierra 2500 HD and Silverado 3500 HD models. This fuel line kit offers a reliable replacement option constructed from durable plastic with stainless steel flex components, engineered to meet standard replacement requirements.

• Material: High-quality plastic with stainless steel flexible line
• Length options: 126 mm, 128 mm, and 29 mm segments for precise fitment
• Color: Silver finish for corrosion resistance
• Inside diameters: 9.5 mm and 12.7 mm for proper fuel flow
• Outside diameters: 13.5 mm and 16 mm for secure connections
• Maximum pressure rating: 75 PSI (not rated for fuel injection systems)
• End fittings: Female quick connector on one end and male quick disconnect on the other
• Standard grade replacement part designed for durability and compatibility

Detailed Product Description

The Dorman 819-874 fuel line kit is engineered to provide a dependable fuel delivery solution for Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 HD trucks, including Classic and HD variants. Constructed primarily from plastic with a stainless steel flexible line, this fuel line balances flexibility and strength to withstand typical operating conditions. The silver color finish helps resist corrosion, extending the service life of the component.

With multiple length segments and varying inside and outside diameters, this fuel line kit ensures a precise fit and proper fuel flow. The quick-connect fittings—female on one end and male on the other—allow for straightforward installation and secure attachment to existing fuel system components. Although this fuel line is not rated for fuel injection pressure, it meets standard replacement specifications suitable for compatible fuel delivery applications.

Compatible Vehicles and Applications

• Chevrolet Sierra 2500 HD and Sierra 2500 HD Classic
• Chevrolet Sierra 3500 and Sierra 3500 Classic
• Chevrolet Silverado 2500 HD and Silverado 2500 HD Classic
• Chevrolet Silverado 3500 and Silverado 3500 Classic
• GMC Sierra 2500 HD and Sierra 3500 HD models

Common Issues Addressed by This Fuel Line

• Fuel leaks caused by cracked or damaged original fuel lines
• Corrosion or wear leading to compromised fuel delivery
• Loose or faulty quick-connect fittings causing fuel system pressure loss
• Replacement of aging or brittle fuel lines to maintain fuel system integrity
• Restoring proper fuel flow in heavy-duty Chevrolet and GMC trucks

Installation Notes and Tips

Ensure the vehicle is cool and depressurized before beginning installation. The female quick connector and male quick disconnect fittings allow for a straightforward connection to existing fuel system components. Verify that all connections are secure and free of leaks after installation. Use appropriate tools to avoid damaging the plastic material or connectors during installation.

Quality Assurance and Warranty

Dorman manufactures this fuel line kit to meet standard replacement grade specifications, ensuring compatibility and durability for the specified Chevrolet and GMC truck models. While this product is not rated for fuel injection pressure, it is designed to withstand up to 75 PSI in fuel delivery applications. Warranty details should be confirmed with the product documentation or supplier.