Dorman 626-631 HVAC Heater Hose Assembly - Inlet

Overview of Dorman HVAC Heater Hose Assembly 626-631

The Dorman HVAC Heater Hose Assembly 626-631 is designed for reliable heating system performance in Ford trucks. Engineered with durable aluminum and a molded hose shape, this heater hose assembly is compatible with Ford E-350 Super Duty, F-150, F-250 Super Duty, and F-350 Super Duty models.

• Constructed from aluminum with a black coated finish for corrosion resistance
• Molded assembly design ensures precise fit and efficient coolant flow
• End 1 features a barbed attachment with 0.58 inch inside diameter
• End 2 includes a ring attachment with 0.63 inch inside diameter
• Maximum working pressure rated at 100 psi for dependable operation
• Centerline length of 5.5 inches suitable for specified Ford models
• Single inside diameter coolant hose type with no clamps or heat shield included

Detailed Product Description

This HVAC heater hose assembly from Dorman, part number 626-631, is designed to meet the heating system requirements of select Ford trucks. The aluminum construction provides strength and resistance to corrosion, while the black coated finish adds an extra layer of protection. The molded hose shape ensures a precise fit within the HVAC system, reducing the risk of leaks or improper connections. With a maximum working pressure of 100 psi, this hose assembly can handle the demands of the heating system under normal operating conditions.

The hose ends are designed for secure attachment: one end uses a barbed fitting with a 0.58 inch inside diameter, and the other end uses a ring fitting with a 0.63 inch inside diameter. This configuration supports efficient coolant flow and system integrity. The assembly does not include clamps or a heat shield, so ensure compatibility with your vehicle’s existing hardware.

Compatible Vehicles and Applications

• Ford E-350 Super Duty
• Ford F-150
• Ford F-250 Super Duty
• Ford F-350 Super Duty

This heater hose assembly is specifically designed for these Ford models, providing a direct replacement for the original HVAC heater hose.

Common Issues Addressed by This Heater Hose Assembly

• Leaking or cracked heater hoses causing coolant loss
• Reduced heating system efficiency due to damaged hoses
• Overheating issues related to coolant flow restrictions
• Corrosion or wear in original heater hose components
• Improper fit or hose deformation affecting HVAC performance

Installation Notes and Tips

• Verify hose dimensions and attachment types before installation
• Ensure the vehicle’s cooling system is depressurized and cooled before removal
• Inspect surrounding components for wear or damage during replacement
• Use appropriate tools to secure hose ends without clamps as required
• Test the heating system after installation for leaks and proper operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 626-631 HVAC heater hose assembly undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.