Four Seasons 86246 Engine Coolant Thermostat Housing - Lower

Thermostat Housing for Volkswagen Cooling Repair

Four Seasons 86246 is an engine coolant thermostat housing for Volkswagen cooling system service. It is a plastic thermostat housing built to meet or exceed OEM requirements, with a w/o thermostat design and no gasket or seal included.

Key Features

• Plastic thermostat housing for engine coolant components
• Style: w/o thermostat
• Thermostat included: not included
• Gasket or seal included: not included
• Meets or exceeds OEM specifications
• Inlet port diameter: 1.49 in.
• Bolt hole center to bolt hole center: 2.65 in.
• Flange thickness: 0.69 in.
• Overall height: 3.08 in.

Detailed Description

Four Seasons Thermostat Housing 86246 is built for Volkswagen cooling system applications that require a direct-fit engine coolant thermostat housing. This housing supports proper coolant routing at the thermostat location and is listed for Volkswagen Atlas, Atlas Cross Sport, Passat, CC, and Touareg applications across the confirmed model years. If you are replacing a cracked or leaking thermostat housing on a Volkswagen Atlas or Volkswagen Passat, this part number 86246 provides an OE-style replacement path with the correct housing configuration and dimensions.

This part cross-references Focus Auto Parts 86246 for the same application.

What It Helps Address

• Coolant leaks from a cracked plastic thermostat housing
• Warped or damaged housing sealing surfaces
• Improper thermostat housing fitment during cooling system repair
• Loss of coolant at the thermostat mounting point
• Service replacement for worn Volkswagen cooling system components

Installation Notes and Tips

• Confirm the vehicle uses the listed lower or N/A thermostat housing position before installation.
• Inspect the mating surfaces, hoses, and fasteners for wear before reassembly.
• Because the gasket or seal is not included, verify the required sealing components separately.
• Thermostat is not included, so transfer or replace the thermostat as needed for the repair.
• Match the inlet port diameter and bolt spacing to the original housing before installation.

Quality Assurance

Four Seasons 86246 is manufactured to meet or exceed OEM specifications for the listed Volkswagen applications. It is cross-referenced to OE and aftermarket numbers including 03H121117B and WP480355OES for application matching.

Compatible With: 2018-2023 Volkswagen Atlas, 2020-2023 Volkswagen Atlas Cross Sport, 2013-2016 Volkswagen Passat, 2018 Volkswagen Passat, 2013-2016 Volkswagen CC, 2017 Volkswagen CC lower, 2017 Volkswagen Passat lower, 2011-2016 Volkswagen Touareg, 2017 Volkswagen Touareg lower.