Four Seasons 86073 Engine Coolant Thermostat Housing

Thermostat Housing for Hyundai Cooling Repair

Four Seasons 86073 is an aluminum engine coolant thermostat housing built for direct replacement service on select Hyundai applications. It is supplied as a thermostat housing only, with no thermostat and no gasket or seal included, so it is suited for repairs where the housing body needs to be replaced while related service parts are sourced separately.

Compatible with Hyundai Elantra and Hyundai Tiburon applications, Four Seasons 86073 supports cooling-system service on the 1995-2001 model years listed below. The housing meets or exceeds OEM requirements and is designed around the original mounting and port dimensions for a proper service fit.

Key Features

• Aluminum thermostat housing for engine coolant service
• Four Seasons part number 86073
• Thermostat not included
• Gasket or seal not included
• Meets or exceeds OEM specifications
• Inlet port diameter: 1.3 in.
• Bolt hole center to bolt hole center: 2.74 in.
• Flange thickness: 1.45 in.
• Overall height: 2.61 in.
• Style: housing without thermostat

Product Details

Four Seasons Thermostat Housing line components are focused on engine coolant system service, and this 86073 housing follows that approach with a straightforward OE-style replacement design. The aluminum construction helps provide the rigidity needed for cooling-system sealing surfaces, while the listed dimensions support accurate fitment on the specified Hyundai Elantra and Hyundai Tiburon applications. This part cross-references CH6915 for the same application.

Vehicle Fitment

• Fits 2001 Hyundai Tiburon, N/A; Old Body Style HVAC Heater Core Fitment; Thermostat Housing
• Fits 2000 Hyundai Elantra, N/A; Old Body Style HVAC Heater Core Fitment; Thermostat Housing
• Fits 1997-2000 Hyundai Tiburon, N/A; Thermostat Housing
• Fits 1995-1999 Hyundai Elantra, N/A; Thermostat Housing

Common Repair Uses

• Replacing a cracked or corroded thermostat housing
• Restoring coolant sealing at the thermostat mounting area
• Addressing coolant leaks around the housing flange
• Repairing overheating concerns caused by housing damage
• Servicing a Hyundai Elantra or Hyundai Tiburon cooling system during thermostat work

Installation Notes and Tips

Verify the thermostat housing style, inlet diameter, and bolt spacing against the original part before installation. Because the thermostat and gasket or seal are not included, transfer or replace those components as needed during service. Clean the mating surfaces thoroughly and inspect the cooling system for contamination or corrosion before reassembly.

Quality Assurance

Four Seasons 86073 is listed as meeting or exceeding OEM requirements for the specified applications. Confirm fitment by year, model, and housing configuration before installation.