Dorman 626-679 HVAC Heater Hose Assembly - Inlet

Overview of Dorman HVAC Heater Hose Assembly 626-679

The Dorman HVAC Heater Hose Assembly 626-679 is designed for reliable performance in Chevrolet and Saturn vehicles, including models like Astra, Cruze, Cruze Limited, Sonic, and Trax. This molded assembly combines durable materials to ensure efficient coolant flow within the heating system.

• Constructed from a combination of rubber, metal, and caucho for durability
• Black color for standard OEM appearance
• Includes clamps for secure installation
• Dual inside diameter hose ends: 0.314 and 0.31 inches
• Maximum working pressure of 100 PSI and burst pressure of 125 PSI
• Molded assembly with a maximum bend angle of 90 degrees
• Centerline length of 34.86 inches
• Quick-disconnect attachment on one end for ease of service
• Standard replacement grade for dependable HVAC system repair

Detailed Product Description

The Dorman 626-679 HVAC Heater Hose Assembly is engineered to meet the specific requirements of Chevrolet and Saturn vehicles such as the Astra, Cruze, Cruze Limited, Sonic, and Trax. This hose assembly features a molded design that ensures a precise fit and optimal coolant flow. The combination of rubber, metal, and caucho materials provides resistance to heat, pressure, and wear, supporting the heater core's function within the HVAC system.

Its dual inside diameter design accommodates different hose connections, while the included clamps ensure a secure and leak-free installation. The hose assembly is rated for a maximum working pressure of 100 PSI and a burst pressure of 125 PSI, making it suitable for standard replacement needs without requiring a heat shield. The quick-disconnect attachment type on one end simplifies removal and replacement during maintenance.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Chevrolet Cruze and Saturn Astra models
• Resolving coolant leaks that cause insufficient cabin heating
• Fixing hose assemblies that have become brittle or damaged due to heat exposure
• Addressing HVAC system failures related to coolant flow interruptions
• Upgrading worn hoses to maintain proper heater core function in Chevrolet Sonic and Trax vehicles

Installation Notes and Tips

When installing the Dorman 626-679 heater hose assembly, ensure the vehicle is cool and the cooling system is depressurized. Use the included clamps to secure hose ends firmly, preventing leaks. The molded assembly’s 90-degree bend angle should align with the vehicle’s existing routing to avoid kinks or stress points. The quick-disconnect end facilitates easier removal, but verify proper seating to maintain system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 626-679 heater hose assembly undergoes rigorous quality checks to ensure durability and performance in Chevrolet and Saturn vehicles. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship for replacement parts.