Four Seasons 86500 HVAC Heater Hose Connector

Overview of Four Seasons Coolant Coupling 86500

The Four Seasons Coolant Coupling 86500 is a durable HVAC heater hose connector designed for engine coolant systems. Engineered to meet or exceed OEM standards, this plastic coolant coupling is compatible with various Buick, Chevrolet, Oldsmobile, and Pontiac models, providing reliable performance in your vehicle's cooling system.

• Constructed from high-quality plastic material
• Includes gasket or seal for secure installation
• Maximum height of 2.50 inches for precise fitment
• Inlet diameter of 0.861 inches
• Style without thermostat, thermostat not included
• Meets or exceeds OEM specifications
• Compatible with multiple Buick, Chevrolet, Oldsmobile, and Pontiac models

Four Seasons Coolant Coupling Product Line

The Coolant Coupling line by Four Seasons focuses on essential engine coolant components designed to maintain efficient coolant flow and system integrity. This product line emphasizes compatibility and quality, ensuring that each coupling fits precisely and functions reliably within the vehicle's HVAC system. The 86500 part is a key component within this line, offering a plastic construction and included gasket to support leak-free connections.

Detailed Product Description

The Four Seasons 86500 coolant coupling is a plastic HVAC heater hose connector specifically designed for engine coolant applications. It features a maximum height of 2.50 inches and an inlet diameter of 0.861 inches, ensuring a proper fit within the cooling system. This coupling is styled without a thermostat and does not include one, making it suitable for vehicles where the thermostat is installed separately. The included gasket or seal helps prevent leaks and maintains system pressure. This part meets or exceeds OEM requirements, providing a reliable replacement for original equipment in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hose connectors
• Prevention of coolant leaks in the HVAC system
• Restoration of proper coolant flow in Buick, Chevrolet, Oldsmobile, and Pontiac models
• Addressing coolant coupling failures that cause overheating or reduced heater performance
• Ensuring secure connections without thermostat integration

Installation Notes and Tips

When installing the Four Seasons Coolant Coupling 86500, ensure the gasket or seal is properly seated to prevent leaks. Verify the inlet diameter and maximum height match the vehicle’s specifications. This part is designed for use without a thermostat, so confirm the thermostat is installed separately if required by your vehicle. Proper hose clamping and inspection of surrounding components are recommended during installation to maintain system integrity.

Quality Assurance and Warranty

Four Seasons parts, including the Coolant Coupling 86500, are manufactured to meet or exceed OEM standards, ensuring dependable performance. The inclusion of a gasket or seal supports leak-free operation. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for complete terms.