Dorman 819-821 Fuel Line - Front

Overview of Dorman Fuel Line 819-821

The Dorman 819-821 fuel line is designed to provide reliable fuel delivery for select GM trucks and SUVs. Engineered with a combination of metal and plastic materials, this flexible fuel line kit ensures durability and proper fitment for vehicles like the Chevrolet Silverado 1500 and Cadillac Escalade.

• Constructed from durable metal and plastic materials for strength and flexibility
• Available in lengths of 74 and 81 inches to accommodate various routing needs
• Silver color finish with inside diameters of 0.313 and 0.375 inches
• Outside diameters of 9.5 mm and 12.5 mm for secure connections
• Equipped with female quick connect and male quick disconnect hose connectors
• Rated for a maximum pressure of 75 PSI, suitable for standard fuel delivery systems
• Compatible with multiple GM models including Cadillac Escalade and GMC Sierra 1500 Classic

Detailed Product Description

The Dorman 819-821 fuel line kit combines metal and plastic components to deliver a flexible yet robust fuel line solution. Its dual-length options of 74 and 81 inches allow for precise installation depending on the vehicle’s fuel system layout. The silver finish not only provides corrosion resistance but also helps in identifying the line during maintenance. With inside diameters of 0.313 and 0.375 inches, this fuel line supports efficient fuel flow while maintaining system integrity. The outside diameters of 9.5 mm and 12.5 mm ensure compatibility with standard fuel fittings. The hose ends feature a female quick connect and a male quick disconnect, facilitating straightforward installation and removal without compromising the seal. Rated for a maximum pressure of 75 PSI, this fuel line is designed for standard fuel injection systems but is not pressure rated specifically for high-pressure fuel injection applications.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, and Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Suburban 1500, Tahoe
• GMC Sierra 1500 Classic, Sierra 1500 HD Classic, Yukon, Yukon XL 1500

This fuel line is ideal for replacing worn or damaged fuel lines in these specific GM models, ensuring proper fuel delivery and system reliability.

Common Issues Addressed by This Fuel Line

• Fuel leaks caused by cracked or brittle original fuel lines
• Fuel delivery interruptions due to damaged connectors or fittings
• Corrosion-related failures in metal fuel lines
• Incompatibility with quick connect fuel fittings in original equipment
• Wear and tear from heat and vibration in the engine compartment

Installation Notes and Tips

When installing the Dorman 819-821 fuel line, ensure the vehicle’s fuel system is depressurized to prevent fuel spray. Verify the correct length (74 or 81 inches) for your specific model and routing requirements. The female quick connect and male quick disconnect ends should be securely attached to the corresponding fuel system fittings to prevent leaks. Inspect all connections for tightness and proper seating after installation. It is recommended to replace any worn or damaged clamps or seals during installation to maintain system integrity.

Quality Assurance and Warranty

Dorman manufactures this fuel line kit to meet standard grade specifications, ensuring consistent performance and durability. While this product is not pressure rated for high-pressure fuel injection systems, it is suitable for standard fuel delivery applications. Dorman typically offers a limited warranty on their parts; please refer to the official Dorman documentation for specific warranty details related to part number 819-821.