Dorman 800-917 HVAC Heater Hose Connector

Durable HVAC Heater Hose Connector for GM Trucks and SUVs

The Dorman 800-917 HVAC Heater Hose Connector is engineered to provide a reliable connection in the heating and cooling system of select Cadillac, Chevrolet, GMC, and Hummer vehicles. Designed with a straight shape and a 180-degree fitting angle, this connector ensures efficient fluid flow and secure attachment.

• Constructed from durable black nylon material for long-lasting performance
• Features a quick connect system for easy installation and removal
• Dual end types: barb and quick disconnect for versatile hose compatibility
• Fitting sizes of 0.75 inch and 0.71 inch to match OEM specifications
• Straight shape with 180-degree fitting angle for precise hose routing

Technical Details and Compatibility

This HVAC heater hose connector is made from high-quality nylon, providing resistance to heat and corrosion commonly found in vehicle heating systems. The black finish complements OEM components while maintaining durability. One end features a quick connect fitting with a 0.75-inch outside diameter, while the other end uses a 0.71-inch barb fitting, allowing for secure hose attachment and leak prevention. The straight design with a 180-degree fitting angle facilitates proper hose alignment in tight engine compartments.

The Dorman 800-917 is compatible with a range of GM vehicles, including Cadillac Escalade, Chevrolet Avalanche, Silverado 1500 and 2500 series, GMC Sierra 1500 and 3500 series, Hummer H2, and Yukon models. This ensures a precise fit for your HVAC system needs.

Common Applications and Problem Resolution

• Replacement of cracked or leaking heater hose connectors
• Restoring proper coolant flow in the HVAC system
• Fixing loose or damaged quick connect fittings
• Resolving heater core connection issues in GM trucks and SUVs
• Preventing coolant leaks that cause engine overheating

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Inspect hoses for wear and replace if necessary to ensure a secure seal
• Use appropriate tools to disconnect and connect quick connect fittings without damage
• Verify proper seating of barb fittings to prevent leaks
• Check for coolant leaks after installation by running the engine and monitoring the HVAC system

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 800-917 HVAC Heater Hose Connector undergoes rigorous quality control to ensure fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to support your investment in vehicle maintenance.