Dorman 626-633 HVAC Heater Hose Assembly - Inlet

Durable HVAC Heater Hose Assembly for Ford Super Duty Trucks

The Dorman 626-633 HVAC heater hose assembly is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. Constructed from high-quality rubber, this molded hose assembly ensures reliable performance in your vehicle's heating system.

• Material: Durable black rubber construction
• Includes clamps for secure installation
• End 1 inside diameter: 1.01 inches with quick connect attachment
• End 2 inside diameter: 0.61 inches with clamp attachment
• Centerline length: 23 inches molded hose assembly
• Maximum working pressure: 100 PSI
• Single inside diameter coolant hose type with one branch

Technical Details and Specifications

This HVAC heater hose assembly from Dorman is engineered as a molded assembly to fit precisely within the heating system of Ford F-250 Super Duty and F-350 Super Duty trucks. The hose features a quick connect fitting on one end and a clamp attachment on the other, facilitating a secure and leak-resistant connection. With a centerline length of 23 inches, it is designed to match OEM specifications for proper fit and function. The hose is rated for a maximum working pressure of 100 PSI, suitable for regular grade HVAC applications without thermostatic control or spring reinforcement.

Compatible Vehicles and Applications

This heater hose assembly is compatible with the following Ford models:

• Ford F-250 Super Duty
• Ford F-350 Super Duty

It is intended for use in the HVAC system to transport heated coolant efficiently, ensuring proper cabin heating performance.

Common Issues Addressed by This Heater Hose Assembly

• Leaking or cracked heater hoses causing coolant loss
• Reduced heating efficiency due to damaged or worn hoses
• Loose or faulty hose connections leading to system pressure loss
• Replacement of deteriorated OEM hoses to prevent overheating
• Restoring proper coolant flow within the HVAC system

Installation Notes and Tips

When installing the Dorman 626-633 heater hose assembly, ensure the quick connect fitting is fully engaged and the clamp is securely tightened to prevent leaks. Inspect surrounding components for wear or damage during replacement. It is recommended to drain the cooling system before removal to avoid spills. Verify hose routing matches OEM configuration to maintain proper fit and function.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for durability and performance. This heater hose assembly is made from quality rubber materials designed for regular HVAC system use. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.