Four Seasons 86158 HVAC Heater Hose Connector

Reliable Coolant Coupling for Volkswagen Vehicles

The Four Seasons Coolant Coupling 86158 is designed to provide a secure and efficient connection within the engine coolant system. Engineered for Volkswagen Golf, Golf SportWagen, and Jetta models, this plastic HVAC heater hose connector ensures proper coolant flow and system integrity.

• Durable plastic construction for corrosion resistance
• Includes gasket or seal for leak prevention
• Inlet diameter of 1.250 inches for precise fit
• Maximum height of 3.192 inches for compact installation
• Meets or exceeds OEM specifications
• Style without thermostat, thermostat not included
• Part number 86158 for accurate identification

About the Four Seasons Coolant Coupling Product Line

The Coolant Coupling line by Four Seasons focuses on essential engine coolant components designed to maintain optimal HVAC system performance. This product line emphasizes compatibility and durability, providing reliable connections for coolant hoses and pipes. The 86158 coupling is part of this line, offering a precise fit and quality materials tailored for Volkswagen vehicles.

Product Details and Specifications

This HVAC heater hose connector is constructed from plastic, offering resistance to corrosion and heat typically found in engine compartments. The included gasket or seal helps prevent leaks, ensuring a tight connection. With an inlet diameter of 1.250 inches and a maximum height of 3.192 inches, the coupling fits compactly within the cooling system. It is designed without a thermostat, so it is intended for applications where a thermostat is not required. The Four Seasons 86158 meets or exceeds OEM standards, providing assurance of quality and fitment.

Common Applications and Problem Solving

• Replacement of worn or cracked coolant couplings in Volkswagen Golf, Golf SportWagen, and Jetta
• Resolving coolant leaks caused by damaged hose connectors
• Maintaining proper coolant flow within the HVAC system
• Preventing overheating issues related to faulty coolant connections
• Ensuring system integrity after engine repairs or maintenance

Installation Notes and Tips

When installing the Four Seasons Coolant Coupling 86158, ensure the gasket or seal is properly seated to prevent leaks. Verify the inlet diameter matches the hose size for a secure fit. This part is designed for use without a thermostat, so confirm compatibility with your vehicle’s cooling system setup. Properly tighten connections but avoid over-tightening to prevent damage to the plastic coupling.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The Coolant Coupling 86158 undergoes quality checks to maintain consistent standards. Please refer to Four Seasons’ warranty policy for specific coverage details.