Four Seasons 86347 Engine Coolant Water Inlet

Engine Coolant Water Inlet for Subaru Applications

Four Seasons 86347 is an aluminum engine coolant water inlet for Subaru cooling system service. It is built without a thermostat and does not include a gasket or seal, making it a direct replacement component for the inlet side of the coolant circuit on select Subaru models.

Compatible with Subaru Forester, Ascent, Crosstrek, Outback, WRX, and Impreza applications, this Four Seasons Water Inlet line part is engineered for consistent fit and dependable coolant routing. The 86347 water inlet is a practical choice when replacing a worn, corroded, or leaking inlet housing on the engine coolant system.

Key Features

• Four Seasons Water Inlet, part number 86347
• Aluminum construction for engine coolant service
• Style: without thermostat
• Thermostat not included
• Gasket or seal not included
• Inlet type coolant component for Subaru cooling systems
• Inlet diameter: 1.49 in.
• Mounting flange width: 0.52 in.
• Overall height: 7.98 in.

Product Details

The Four Seasons 86347 engine coolant water inlet is part of the Water Inlet product line and is intended for Subaru cooling system repair where the inlet housing needs replacement. Four Seasons draws on more than 50 years of mobile A/C and thermal management experience, and this component is manufactured and tested to support long-term, trouble-free operation. This part cross-references Gates CO35064 for the same application.

Fits 2014-2025 Subaru Forester, Main; Water Inlet. Fits 2019-2024 Subaru Ascent, Inlet; Water Inlet. Fits 2018-2024 Subaru Crosstrek, Inlet; Water Inlet. Fits 2020-2024 Subaru Outback, Inlet; Water Inlet. Fits 2015-2024 Subaru WRX, Inlet; Water Inlet. Fits 2017-2023 Subaru Impreza, Inlet; Water Inlet.

Common Repair Uses

• Replacing a leaking or cracked coolant inlet housing
• Restoring proper coolant flow at the engine inlet
• Addressing corrosion or wear in the aluminum housing
• Repairing thermostat-housing-related coolant service when the inlet is separate
• Servicing Subaru cooling system components on Forester, Ascent, Crosstrek, Outback, WRX, or Impreza

Installation Notes

Verify inlet diameter, flange width, and overall height before installation. Because the thermostat and gasket or seal are not included, reuse or source the correct related components separately as required by the vehicle application. Clean all mating surfaces thoroughly and inspect adjacent coolant hoses and seals before reassembly.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. The 86347 water inlet is backed by the brand’s long-standing experience in mobile A/C and thermal management parts.