Four Seasons 86354 Engine Coolant Thermostat Housing Assembly
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Four Seasons
 Thermal Module

Four Seasons 86354 Engine Coolant Thermostat Housing Assembly

Brand Four Seasons 86354
Description Engine coolant components
Gasket or Seal Included Yes
Inlet Dia. IN 1.26
Material Plastic
Mnt Flange Width IN 0.602
Overall Height IN 4.7
Style W/ actuator
Thermostat Included? Not included
Type Thermal management module
Product line Thermal Module
Fits BMW · 59 vehicles

Thermal management module. Engine coolant components for organized temperature control.

Plastic housing. Lightweight construction with a gasket or seal included.

Actuator style. Thermostat housing assembly without the thermostat.

Cross-references Focus Auto Parts 86354, URO 11537644811 and 1225221 for the same application. See all 3.

$170.62Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Coolant Thermostat Housing Assembly options

Thermal Management Module for BMW Applications

The Four Seasons Thermal Module 86354 is an engine coolant thermostat housing assembly built for BMW cooling system service. It combines a plastic housing with an included gasket or seal and an actuator-style design to support proper coolant flow control in the thermal management system.

Compatible With select BMW 3 Series, 4 Series, 5 Series, 7 Series, X3, and X4 applications, this thermal management module is a direct-fit service part for vehicles using the listed configuration.

Key Features

  • Engine coolant thermostat housing assembly for thermal management service
  • Plastic housing construction
  • Gasket or seal included
  • Actuator-style design
  • Inlet diameter: 1.26 in.
  • Mounting flange width: 0.602 in.
  • Overall height: 4.7 in.
  • Thermostat not included

Product Details

Four Seasons Thermal Module 86354 is part of the Thermal Module product line, engineered for cooling system applications where accurate coolant routing and housing integrity matter. The assembly is intended for BMW thermal management service and is listed as an engine coolant components part with a built-in seal for proper housing installation. This part number 86354 is also referenced in aftermarket interchange listings for the same application.

Fits 2017-2021 BMW 230i, N/A; Fits 2017-2021 BMW 230i xDrive, N/A; Fits 2017-2020 BMW 430i, N/A; Fits 2017-2020 BMW 430i Gran Coupe, N/A; Fits 2017-2020 BMW 430i xDrive, N/A; Fits 2017-2020 BMW 430i xDrive Gran Coupe, N/A; Fits 2018-2020 BMW 530e, N/A; Fits 2018-2020 BMW 530e xDrive, N/A; Fits 2017-2020 BMW 530i, N/A; Fits 2017-2020 BMW 530i xDrive, N/A; Fits 2016-2019 BMW 330i, N/A; Fits 2017-2019 BMW 330i GT xDrive, N/A; Fits 2017-2019 BMW 330i xDrive, N/A; Fits 2017-2019 BMW 740e xDrive, N/A; Fits 2018-2019 BMW X3, N/A; Fits 2019 BMW X4, N/A; Fits 2016-2018 BMW 330e, N/A.

What It Helps Address

  • Cracked or leaking thermostat housing
  • Coolant seepage at the housing seal
  • Improper coolant flow control in the thermal module
  • Cooling system service needs on BMW 230i, 330i, 530i, X3, and related models

Installation Notes and Tips

Verify the inlet diameter, mounting flange width, and overall height against the original part before installation. Because the thermostat is not included, confirm whether your repair requires reuse or separate replacement of the thermostat. Inspect mating surfaces carefully and replace any damaged coolant hoses or seals during service to help maintain a proper seal.

Quality Assurance

Four Seasons backs this Thermal Module with products engineered and tested for long service life and dependable operation. With more than 50 years of mobile A/C experience, the brand focuses on replacement parts built for correct fit and consistent cooling system performance.

Related reading

This part fits 59 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2021BMW230i——Thermal Module
2021BMW230i xDrive——Thermal Module
2020BMW230i——Thermal Module
2020BMW230i xDrive——Thermal Module
2020BMW430i——Thermal Module
2020BMW430i Gran Coupe——Thermal Module
2020BMW430i xDrive——Thermal Module
2020BMW430i xDrive Gran Coupe——Thermal Module
2020BMW530e——Thermal Module
2020BMW530e xDrive——Thermal Module
2020BMW530i——Thermal Module
2020BMW530i xDrive——Thermal Module
2019BMW230i——Thermal Module
2019BMW230i xDrive——Thermal Module
2019BMW330i——Thermal Module
2019BMW330i GT xDrive——Thermal Module
2019BMW330i xDrive——Thermal Module
2019BMW430i——Thermal Module
2019BMW430i Gran Coupe——Thermal Module
2019BMW430i xDrive——Thermal Module
2019BMW430i xDrive Gran Coupe——Thermal Module
2019BMW530e——Thermal Module
2019BMW530e xDrive——Thermal Module
2019BMW530i——Thermal Module
2019BMW530i xDrive——Thermal Module
2019BMW740e xDrive——Thermal Module
2019BMWX32.0LL4Thermal Module
2019BMWX42.0LL4Thermal Module
2018BMW230i——Thermal Module
2018BMW230i xDrive——Thermal Module
2018BMW330e——Thermal Module
2018BMW330i——Thermal Module
2018BMW330i GT xDrive——Thermal Module
2018BMW330i xDrive——Thermal Module
2018BMW430i——Thermal Module
2018BMW430i Gran Coupe——Thermal Module
2018BMW430i xDrive——Thermal Module
2018BMW430i xDrive Gran Coupe——Thermal Module
2018BMW530e——Thermal Module
2018BMW530e xDrive——Thermal Module
2018BMW530i——Thermal Module
2018BMW530i xDrive——Thermal Module
2018BMW740e xDrive——Thermal Module
2018BMWX32.0LL4Thermal Module
2017BMW230i——Thermal Module
2017BMW230i xDrive——Thermal Module
2017BMW330e——Thermal Module
2017BMW330i——Thermal Module
2017BMW330i GT xDrive——Thermal Module
2017BMW330i xDrive——Thermal Module
2017BMW430i——Thermal Module
2017BMW430i Gran Coupe——Thermal Module
2017BMW430i xDrive——Thermal Module
2017BMW430i xDrive Gran Coupe——Thermal Module
2017BMW530i——Thermal Module
2017BMW530i xDrive——Thermal Module
2017BMW740e xDrive——Thermal Module
2016BMW330e——Thermal Module
2016BMW330i——Thermal Module
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Focus Auto Parts — 86354URO — 115376448111225221