Four Seasons 86338 Engine Coolant Water Outlet

Engine Coolant Water Outlet for Mazda Cooling Systems

Four Seasons Water Outlet 86338 is an engine coolant water outlet built for select Mazda applications. It is a plastic outlet assembly with a 1.298 in inlet diameter, 0.44 in mounting flange width, and 1.556 in overall height, supplied in a style without a thermostat and without a gasket or seal included.

Compatible with Mazda CX-5, Mazda 3, Mazda 3 Sport, Mazda CX-30, Mazda CX-9, and Mazda 6 applications, this Four Seasons 86338 part is intended for direct replacement use in the cooling system where the outlet housing routes coolant through the engine coolant components.

Key Features

• Engine coolant water outlet for thermostat and housing applications
• Plastic construction for OE-style fit and function
• Outlet design without thermostat
• No gasket or seal included
• Inlet diameter: 1.298 in
• Mounting flange width: 0.44 in
• Overall height: 1.556 in
• Four Seasons 86338 water outlet for select Mazda vehicles

Product Details

Four Seasons Water Outlet 86338 is part of the brand’s Water Outlet line, backed by more than 50 years of mobile A/C and thermal management experience. The part is engineered and tested for dependable operation in cooling-system service, and it is built as an outlet-only component for vehicles that do not require an integrated thermostat in this location. If you are replacing a worn or cracked Mazda coolant outlet, this part number 86338 provides a focused replacement for the original engine coolant component.

This part cross-references CH3098 and PY8W15172 for the same application.

What It Helps Address

• Coolant leaks from a cracked or aged outlet housing
• Improper coolant routing caused by a damaged water outlet
• Cooling-system service needs during thermostat housing repair
• Fitment issues when replacing a worn Mazda coolant outlet
• Restoration of engine coolant component sealing surfaces

Installation Notes

Verify the inlet diameter, mounting flange width, and overall height against the original part before installation. This water outlet does not include a thermostat or gasket/seal, so reuse or replacement of related components should be confirmed separately. Clean the mating surfaces thoroughly and inspect adjacent cooling-system parts for wear, cracking, or residue before reassembly.

Quality Assurance

Four Seasons states that its products are engineered and tested to provide years of trouble-free operation. The Water Outlet line is supported by the company’s long-standing experience in mobile A/C and thermal management parts.

Fitment

• Fits 2019-2025 Mazda CX-5, Outlet; Water Outlet
• Fits 2021-2023 Mazda 3, Outlet; Water Outlet
• Fits 2021-2023 Mazda 3 Sport, Outlet; Water Outlet
• Fits 2021-2023 Mazda CX-30, Outlet; Water Outlet
• Fits 2016-2023 Mazda CX-9, Outlet; Water Outlet
• Fits 2018-2021 Mazda 6, Outlet; Water Outlet