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Motorad
Integrated Housing ThermostatMotorad 986-221 Engine Coolant Thermostat Housing Assembly
| Brand | Motorad 986-221 |
|---|---|
| Bleeder Hole | Yes |
| Bypass Diameter | 1.57 in |
| Bypass Length | 1.73 in |
| Color | Black |
| Gasket Or Seal Included | Yes |
| Gasket Type | O-Ring |
| Gasket/Seal Material | Rubber |
| Gasket/Seal Material | Rubber |
| Grade Type | Regular |
| Installation Tool Included | No |
| Material | Plastic, Steel, Copper |
| Mounting Hardware Included | No |
| Number Of Bolt Holes | 3 |
| Number Of Outlet Ports | 1 |
| Number Of Seals | 1 |
| Outlet Diameter | 1.51 in |
| Temperature | 221 Deg. F |
| Temperature (Degree) | 221 |
| Product line | Integrated Housing Thermostat |
| Fits | BMW · 49 vehicles |
OE supplier quality. Built with OEM materials and manufacturing standards.
Rapid response. Copper case and wax compound react quickly to coolant temperature changes.
Integrated housing design. Combines the thermostat and housing in one assembly.
Cross-references Dorman - OE Solutions 902-5954, Dorman - OE Solutions 986-221 and Four Seasons 98621 for the same application. See all 10.
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Integrated Thermostat Housing for BMW Cooling Systems
Motorad 986-221 is an engine coolant thermostat housing assembly built for BMW cooling system service. It combines the thermostat, housing, and seal in one integrated design, with OEM-quality materials and OE-supplier manufacturing standards for consistent temperature control.
Compatible With BMW Alpina B8 Gran Coupe, M850i xDrive, M850i xDrive Gran Coupe, M550i xDrive, X5, X6, 750i xDrive, Alpina XB7, X7, 750Li, 550i xDrive, and 750i applications across 2016-2025 model years.
- Motorad Integrated Housing Thermostat line for integrated cooling-system service
- Plastic, steel, and copper construction with a black finish
- 221 degree F thermostat rating for OE-style coolant temperature regulation
- Includes gasket/seal with rubber O-ring sealing surface
- Bleeder hole included to assist with air removal during service
- Three-bolt mounting pattern with one outlet port
- Bypass dimensions: 1.57 in diameter and 1.73 in length
- Outlet diameter: 1.51 in
OE-Style Design and Materials
The Motorad Integrated Housing Thermostat line is built for applications that use a combined thermostat and housing assembly. Part number 986-221 uses a copper case and wax compound for responsive movement as coolant temperature changes, while the OEM-spec process helps maintain fit and function in demanding BMW cooling systems. This part cross-references Dorman OE Solutions 902-5954 and Four Seasons 98621 for the same application.
Common Cooling Issues This Part Addresses
- Engine running too cool or too hot due to thermostat control problems
- Coolant leaks at the thermostat housing or seal interface
- Air trapped in the cooling system after service
- Temperature fluctuation from a worn thermostat assembly
- Service replacement for cracked or aging integrated housing components
Installation Notes
Verify the vehicle’s year, model, and cooling-system configuration before installation. This assembly includes the thermostat, housing, and seal; mounting hardware and installation tools are not included. Clean the mating surfaces thoroughly, inspect the bypass and outlet connections, and follow BMW coolant bleeding procedures to reduce trapped air after service.
Quality Assurance
Motorad manufactures this thermostat housing assembly with OEM-quality materials and safety standards as an OE supplier. The 986-221 is built to OEM specifications and processes for BMW cooling-system service, with materials selected for consistent temperature response and durable sealing.
This part fits 49 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | BMW | Alpina B8 Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2025 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2025 | BMW | M850i xDrive Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2024 | BMW | Alpina B8 Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2024 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2024 | BMW | M850i xDrive Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | BMW | Alpina B8 Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | BMW | M550i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | BMW | M850i xDrive Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | BMW | X5 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | BMW | X6 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | 750i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | Alpina B8 Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | Alpina XB7 | 4.4L | V8 | GAS | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | M550i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | M850i xDrive Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | X5 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | X6 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | BMW | X7 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | 750i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | Alpina XB7 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | M550i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | M850i xDrive Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | X5 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | X6 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | BMW | X7 | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2020 | BMW | 750i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2020 | BMW | M550i xDrive | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2020 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2020 | BMW | M850i xDrive Gran Coupe | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2020 | BMW | X5 | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2020 | BMW | X7 | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2019 | BMW | 750Li | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2019 | BMW | M550i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2019 | BMW | M850i xDrive | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2019 | BMW | X7 | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2018 | BMW | 550i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2018 | BMW | 750i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2018 | BMW | 750Li | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2018 | BMW | M550i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2017 | BMW | 750i | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2017 | BMW | 750i xDrive | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2017 | BMW | 750Li | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2016 | BMW | 750i | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2016 | BMW | 750i xDrive | 4.4L | V8 | — | N/A | 221F Temperature Engine Coolant Thermostat Housing Assembly Includes Thermostat, Housing, and Seal OE Specified; Integrated Housing Thermostat |
| 2016 | BMW | 750Li | 4.4L | V8 | — | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| No rows match your filter. | |||||||
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 902-5954Dorman - OE Solutions — 986-221Four Seasons — 986215986299862211153860228211538685978HT221-689NIP98621