Four Seasons 86138 Engine Coolant Thermostat Housing

Thermostat Housing for Nissan Cooling Systems

Four Seasons 86138 is an engine coolant thermostat housing built for direct replacement in select Nissan applications. It is made from aluminum, includes a gasket or seal, and is supplied in a housing-only style with no thermostat included.

Compatible with Nissan Rogue, Nissan Rogue Select, and Nissan Sentra applications, this Four Seasons thermostat housing supports proper coolant routing at the thermostat mounting point. The Four Seasons Thermostat Housing line focuses on engine coolant components that meet or exceed OEM requirements for fit and function.

Key Features

• Aluminum thermostat housing construction
• Gasket or seal included
• Housing-only design; thermostat not included
• Meets or exceeds OEM specifications
• Inlet port diameter: 1.37 in.
• Bolt hole center to bolt hole center: 2.6 in.
• Flange thickness: 0.46 in.
• Overall height: 4.41 in.

Detailed Product Description

Four Seasons 86138 is an engine coolant thermostat housing designed for vehicles that use a separate thermostat assembly. The aluminum construction provides a durable replacement housing for the coolant outlet area, while the included gasket or seal helps support a proper sealing surface during service. This part cross-references Focus Auto Parts 86138 for the same application. For shoppers comparing replacement options, Four Seasons 86138 is a direct-fit thermostat housing for 2013 Nissan Rogue, 2014-2015 Nissan Rogue, 2014-2015 Nissan Rogue Select, and 2007-2012 Nissan Sentra applications.

Common Problems This Part Can Address

• Coolant seepage at the thermostat housing sealing surface
• Cracked or warped original housing
• Corrosion or deterioration of the housing body
• Improper thermostat housing fit after prior cooling system repair
• Leak-related coolant loss at the engine coolant outlet

Installation Notes and Tips

Verify the inlet port diameter, bolt spacing, flange thickness, and overall height against the original part before installation. Inspect the mating surface carefully and replace any damaged coolant hoses or clamps during service. Because this housing is supplied without a thermostat, transfer or replace the thermostat separately as required by the vehicle application. Fits 2013 Nissan Rogue, N/A; Fits 2014-2015 Nissan Rogue, N/A; Fits 2014-2015 Nissan Rogue Select, N/A; Fits 2007-2012 Nissan Sentra, N/A.

Quality Assurance

Four Seasons 86138 is listed as meeting or exceeding OEM requirements for the specified application. The Four Seasons Thermostat Housing product line is built for engine coolant component replacement where accurate fit and sealing are important.