Dorman 56359 HVAC Heater Hose Fitting

Overview of Dorman 56359 HVAC Heater Hose Fitting

The Dorman 56359 HVAC heater hose fitting is designed specifically for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This straight, plastic fitting features quick disconnect ends for efficient and secure connections in your vehicle's heating and cooling system.

• Material: Durable plastic construction
• End 1 and End 2: Quick disconnect type for easy installation
• End 1 Outside Diameter: 0.125 inches and 0.625 inches
• Fitting Angle: Straight design for direct hose connections
• Specific fitment for Buick, Chevrolet, Oldsmobile, and Pontiac models
• Includes one heater hose fitting per package
• Compatible with quick connect HVAC systems

Detailed Product Description

The Dorman 56359 heater hose fitting is engineered to provide a reliable connection within the HVAC system of specific GM vehicles. Constructed from plastic, this fitting offers resistance to corrosion and heat, ensuring longevity in demanding engine bay environments. Both ends feature quick disconnect fittings, simplifying hose removal and replacement without the need for specialized tools. The straight fitting angle supports direct hose routing, minimizing potential leaks and maintaining system integrity.

This part is designed for precise compatibility with Buick models such as the LeSabre and Park Avenue, Chevrolet models including the Lumina APV and Silhouette, Oldsmobile vehicles like the 88 and 98, and Pontiac models including the Bonneville and Grand Prix. Using the Dorman 56359 ensures proper fit and function within these specific applications.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hose fittings causing coolant leaks
• Resolving poor HVAC system performance due to faulty hose connections
• Eliminating coolant loss from damaged or corroded fittings
• Facilitating maintenance and repair of heating system hoses in Buick, Chevrolet, Oldsmobile, and Pontiac vehicles
• Ensuring secure and leak-free quick disconnect connections in the heater hose assembly

Installation Notes and Tips

• Verify vehicle compatibility with the Dorman 56359 part number before installation
• Ensure both quick disconnect ends are fully engaged to prevent leaks
• Inspect surrounding hoses and clamps for wear during replacement
• Use appropriate coolant and follow manufacturer guidelines when servicing the HVAC system
• Carefully route hoses to avoid kinks or sharp bends that could impair flow

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 56359 heater hose fitting undergoes quality checks to ensure durability and reliable performance in HVAC applications. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.