Four Seasons 85144 Engine Coolant Water Inlet

Engine Coolant Water Inlet for Toyota Applications

Four Seasons Water Inlet 85144 is an aluminum engine coolant inlet built for direct-fit service on select Toyota cooling systems. It is specified as a water inlet without thermostat, with no gasket or seal included, and it meets or exceeds OEM requirements for the listed applications.

The Four Seasons Water Inlet line focuses on cooling-system replacement parts that match original equipment dimensions and material expectations. This part number, 85144, is a practical choice when replacing a worn or corroded coolant inlet on Toyota Tacoma, Tundra, 4Runner, and T100 models.

Key Features

• Aluminum construction for cooling-system durability
• Engine coolant water inlet, style without thermostat
• Gasket or seal not included
• Inlet diameter: 1.088 in.
• Maximum height: 3.153 in.
• Bolt hole center to bolt hole center: 2.7 in. and 2.750 in.
• Mounting flange width: 0.322 in.
• Meets or exceeds OEM specifications

Detailed Description

Four Seasons 85144 is an engine coolant water inlet designed for Toyota cooling-system service where the inlet housing is replaced separately from the thermostat. Its aluminum construction supports corrosion resistance in a high-heat coolant environment, while the listed dimensions help maintain proper alignment at the mounting surface and inlet connection. This part cross-references Motorad CH6023 for the same application.

Compatible With: 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-1998 Toyota T100. For buyers searching for a Toyota Tacoma water inlet 85144, Toyota Tundra coolant inlet, or Toyota 4Runner engine coolant water inlet, this part number matches the listed fitment and OE-style specifications.

Common Repair Uses

• Replacing a leaking or corroded coolant inlet housing
• Restoring proper coolant routing at the engine inlet
• Addressing sealing issues at the water inlet mounting surface
• Repairing a damaged inlet flange or bolt-hole area
• Servicing Toyota cooling-system components without replacing the thermostat housing assembly

Installation Notes and Tips

Verify the inlet diameter, bolt-hole spacing, and mounting flange dimensions before installation. Because the gasket or seal is not included, transfer or replace the sealing component as required for the repair. Confirm thermostat configuration separately, since this part is supplied without a thermostat.

For fitment-specific searches, this part is commonly selected for Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota T100 cooling-system repairs. Part number 85144 should be matched to the vehicle’s original inlet style and dimensions before installation.

Quality Assurance

Four Seasons lists this water inlet as meeting or exceeding OEM requirements for the specified applications, supporting OE-style fit and function in the cooling system.