Four Seasons 85156 Engine Coolant Water Inlet

Engine Coolant Water Inlet for Honda and Acura

Four Seasons 85156 is an aluminum engine coolant water inlet for vehicles that use a thermostat housing-style inlet without the thermostat included. It meets or exceeds OEM requirements and is built for direct replacement service on select Honda and Acura applications, including Honda Odyssey, Honda Pilot, Acura CL, Acura TL, Acura MDX, and Honda Accord.

Key Features

• Aluminum construction for cooling-system durability
• Engine coolant components inlet style
• Thermostat not included
• Gasket or seal not included
• Meets or exceeds OEM specifications
• Inlet diameter: 1.088 in.
• Bolt hole center to bolt hole center: 3.11 in. and 3.125 in.
• Maximum height: 2.8773 in.
• Mounting flange width: 0.478 in.

Product Details

This Four Seasons Water Inlet line part, 85156, is a direct-fit coolant inlet component for engine cooling systems that require an aluminum inlet housing without an integrated thermostat. It is used in applications where the inlet connects to the cooling circuit and supports proper coolant flow through the thermostat and housing assembly. Four Seasons 85156 is a practical OE-style replacement for service work on Honda and Acura cooling systems.

Compatible With: Fits 1999-2004 Honda Odyssey, N/A; Fits 2003-2004 Honda Pilot, N/A; Fits 2001-2003 Acura CL, N/A; Fits 1997-1999 Acura CL, N/A; Fits 1999-2003 Acura TL, N/A; Fits 2001-2002 Acura MDX, N/A; Fits 1998-2002 Honda Accord, N/A.

This part cross-references Motorad CH6024 for the same application.

Common Repair Uses

• Replacing a cracked or corroded coolant inlet housing
• Restoring a leaking thermostat housing connection
• Repairing coolant seepage at the inlet flange
• Addressing overheating caused by a damaged cooling-system inlet
• Servicing a worn engine coolant component on Honda and Acura models

Installation Notes and Tips

Verify the inlet diameter, bolt-hole spacing, and mounting flange dimensions before installation. Because the thermostat and gasket or seal are not included, transfer or source the correct related components separately as required by the vehicle application. Clean all mating surfaces thoroughly and inspect the surrounding cooling system for corrosion, hose wear, or residue before reassembly.

Quality Assurance

Four Seasons 85156 is manufactured to meet or exceed OEM requirements for the listed Honda and Acura applications. Confirm fitment by year, make, and model before ordering.