Four Seasons 86157 HVAC Heater Hose Connector

Reliable Coolant Coupling for Volkswagen Vehicles

The Four Seasons Coolant Coupling 86157 is designed specifically for Volkswagen Golf, GTI, and Jetta models. Engineered to meet or exceed OEM standards, this plastic HVAC heater hose connector ensures a secure and efficient connection within your vehicle's cooling system.

• Durable plastic construction for long-lasting performance
• Includes gasket or seal for leak-free installation
• Maximum height of 3.390 inches for precise fitment
• Inlet diameter of 1.260 inches compatible with specified hoses
• Meets or exceeds OEM specifications for Volkswagen vehicles
• Style without thermostat, thermostat not included
• Part number 86157 for easy identification and replacement

About the Four Seasons Coolant Coupling Product Line

The Coolant Coupling line by Four Seasons focuses on high-quality engine coolant components designed to maintain optimal HVAC system performance. This product line offers reliable connectors and couplings that integrate seamlessly with vehicle cooling systems, providing consistent flow and preventing leaks. The 86157 coolant coupling is part of this line, tailored to fit Volkswagen models requiring precise HVAC heater hose connections without thermostat integration.

Product Details and Specifications

This HVAC heater hose connector is made from durable plastic, ensuring resistance to corrosion and heat within the engine bay. The included gasket or seal helps maintain a tight connection, reducing the risk of coolant leaks. With a maximum height of 3.390 inches and an inlet diameter of 1.260 inches, this coupling fits the specific hose sizes used in Volkswagen Golf, GTI, and Jetta models. The style is designed without a thermostat, so it is intended for systems where the thermostat is located elsewhere or not required in this coupling.

Common Applications and Issues Addressed

• Replacement of worn or cracked coolant couplings in Volkswagen Golf, GTI, and Jetta
• Resolving coolant leaks caused by damaged or degraded hose connectors
• Maintaining proper coolant flow within the HVAC system
• Preventing overheating issues related to faulty coolant connections
• Ensuring compatibility with OEM specifications for reliable vehicle performance

Installation Notes and Tips

When installing the Four Seasons Coolant Coupling 86157, ensure the gasket or seal is properly seated to prevent leaks. Verify the inlet diameter matches the hose size on your Volkswagen Golf, GTI, or Jetta. Since this coupling does not include a thermostat, confirm your vehicle’s cooling system design before installation. Use appropriate tools to avoid damaging the plastic material during installation.

Quality Assurance and Warranty

Four Seasons parts, including the Coolant Coupling 86157, are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. This part is backed by Four Seasons’ quality assurance processes, providing confidence in durability and performance. Please refer to Four Seasons’ official warranty policy for specific coverage details.