Dorman 626-617 HVAC Heater Hose Assembly - Outlet

Overview of Dorman HVAC Heater Hose Assembly 626-617

The Dorman HVAC Heater Hose Assembly 626-617 is designed for reliable heating system performance in Chevrolet and GMC trucks. Engineered with a steel and rubber molded assembly, this heater hose is compatible with Chevrolet Silverado 1500, Silverado 1500 Classic, Sierra 1500, and Sierra 1500 Classic models.

• Material: Durable steel and rubber construction
• Color: Black coated finish for corrosion resistance
• Hose Shape: Molded assembly for precise fit
• End 1 and End 2 Inside Diameter: 0.62 inches
• Centerline Length: 25 inches
• Attachment Types: Quick connect on End 1, hose connection on End 2
• Maximum Working Pressure: 100 PSI
• Branch Quantity: 2 branches for efficient coolant flow
• Coolant Hose Type: Single inside diameter

Detailed Product Description

The Dorman 626-617 HVAC Heater Hose Assembly is constructed from a combination of steel and rubber, providing a balance of flexibility and strength necessary for effective coolant transfer in heating systems. Its black coated finish helps resist corrosion and wear, extending the hose assembly's service life. The molded assembly design ensures a precise fit within the HVAC system, reducing the risk of leaks or disconnections. Both ends feature a 0.62-inch inside diameter, with End 1 utilizing a quick connect attachment for easy installation and End 2 designed for a standard hose connection. With a centerline length of 25 inches and two branches, this heater hose assembly supports efficient coolant circulation under a maximum working pressure of 100 PSI. This part does not include clamps or a protective sleeve and does not require a heat shield.

Compatible Vehicles and Applications

This heater hose assembly is compatible with the following vehicles:

• Chevrolet Silverado 1500 (including Classic models)
• GMC Sierra 1500 (including Classic models)

It is specifically designed to replace the HVAC heater hose assembly in these trucks, ensuring proper heating system function and coolant flow.

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
• Coolant flow restrictions from collapsed or kinked hoses
• Loose or faulty hose connections leading to system leaks
• Corrosion or wear compromising hose integrity

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the quick connect fitting on End 1 for a secure and straightforward connection
• Inspect surrounding components for wear or damage during replacement
• Verify hose routing matches original configuration to prevent kinks
• Check for leaks after installation by running the heating system

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 626-617 heater hose assembly undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.