Four Seasons 86021 Engine Coolant Thermostat Housing - Lower

Reliable Engine Coolant Thermostat Housing for Honda Civic and HR-V

The Four Seasons 86021 Thermostat Housing is designed to provide a durable and precise fit for Honda Civic and HR-V models. Crafted from aluminum, this engine coolant thermostat housing ensures efficient heat dissipation and long-lasting performance.

• Constructed from high-quality aluminum for durability and heat resistance
• Compatible with Honda Civic and HR-V vehicles
• Thermostat housing style without thermostat included
• Bolt hole center-to-center measurement of 3 inches for accurate fitment
• Inlet port diameter of 1.510 inches and flange thickness of 0.400 inches
• Overall height of 7.000 inches
• Meets or exceeds OEM specifications for reliable performance
• Gasket or seal not included

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing line focuses on engine coolant components engineered to meet or exceed original equipment manufacturer standards. This product line offers precise fitment and durable materials, such as aluminum, to maintain optimal engine temperature control. The 86021 housing is designed specifically for applications without an included thermostat, providing flexibility for various cooling system configurations.

Product Details and Specifications

This engine coolant thermostat housing is made from aluminum, which offers excellent corrosion resistance and thermal conductivity. The part features a 3-inch bolt hole center-to-center spacing, ensuring proper alignment during installation. The inlet port diameter measures 1.510 inches, and the flange thickness is 0.400 inches, contributing to a secure seal and stable mounting. With an overall height of 7 inches, this housing fits seamlessly into the cooling system of compatible Honda Civic and HR-V models. Note that the thermostat and gasket or seal are not included with this part.

Common Applications and Issues Addressed

• Replacement for cracked or damaged thermostat housing
• Resolving coolant leaks around the thermostat housing area
• Addressing overheating issues caused by faulty housing components
• Maintaining proper coolant flow and engine temperature regulation
• Upgrading worn or corroded engine coolant parts

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid injury. Clean the mounting surface thoroughly to remove old gasket material and debris. Since the gasket or seal is not included, obtain the correct gasket separately to ensure a proper seal. Tighten bolts evenly to the manufacturer's torque specifications to prevent warping or leaks. Verify compatibility with your specific Honda Civic or HR-V model year before installation.

Quality Assurance and Warranty

The Four Seasons 86021 Thermostat Housing meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with precision and quality materials, this part supports consistent engine cooling system operation. Warranty details should be confirmed with the product supplier or manufacturer to ensure coverage information.