Dorman 626-101 HVAC Heater Hose Assembly

Durable HVAC Heater Hose Assembly for Buick, Oldsmobile, and Pontiac

The Dorman 626-101 HVAC heater hose assembly is designed to provide reliable heating system performance for select Buick, Oldsmobile, and Pontiac models. Engineered with steel and rubber materials, this hose assembly ensures durability and efficient coolant flow in your vehicle's heating system.

Key Features of the Dorman 626-101 Heater Hose Assembly

• Constructed from a combination of steel and rubber for strength and flexibility
• Black coated finish for corrosion resistance and long service life
• Includes clamps for secure hose attachment
• End 1 inside diameter: 0.625 inches; End 2 inside diameter: 0.75 inches
• Maximum working pressure rated at 100 PSI
• Centerline length of 32 inches to fit specific vehicle configurations
• Designed as a single/dual coolant hose type with hose attachment ends
• No heat shield required for installation

Detailed Description of the HVAC Heater Hose Assembly

The Dorman 626-101 heater hose assembly is engineered to meet the specifications required for heating systems in Buick Cutlass Supreme, Oldsmobile Regal, and Pontiac Grand Prix models. Its steel and rubber construction balances durability with flexibility, allowing it to withstand the thermal and pressure demands of the HVAC system. The black coated finish helps resist corrosion, extending the hose's lifespan. With a maximum working pressure of 100 PSI, this hose assembly maintains reliable coolant flow under typical operating conditions. The included clamps ensure a secure fit on both hose ends, which measure 0.625 inches and 0.75 inches inside diameter respectively, accommodating the specific hose connections in these vehicles.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Buick Cutlass Supreme, Oldsmobile Regal, and Pontiac Grand Prix
• Resolving coolant leaks that affect HVAC heating performance
• Restoring proper coolant flow to prevent engine overheating
• Eliminating hose failures caused by corrosion or material degradation
• Upgrading aging heater hose assemblies to maintain system integrity

Installation Notes and Tips

When installing the Dorman 626-101 heater hose assembly, ensure the vehicle's engine is cool to avoid injury from hot coolant. Verify that the hose ends match the vehicle's hose connections by checking the inside diameters of 0.625 and 0.75 inches. Use the included clamps to secure the hose firmly, preventing leaks. No additional heat shield is required, simplifying installation. Inspect surrounding components for wear or damage during replacement to maintain overall HVAC system reliability.

Quality Assurance and Warranty Information

Dorman manufactures this heater hose assembly to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the durability and performance of the 626-101 heater hose assembly for Buick, Oldsmobile, and Pontiac vehicles.