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Motorad 678-221 Engine Coolant Thermostat Housing Assembly
| Brand | Motorad 678-221 |
|---|---|
| Bleeder Hole | Yes |
| Bolts Included | No |
| Color | Black |
| Gasket or Seal included | Yes |
| Gasket/Seal Material | Rubber |
| Gasket/Seal Material | Rubber |
| Hardware included | No |
| Installation Tool Included | No |
| Jiggle Pin Included | Yes |
| Material | Plastic, Stainless Steel, Copper |
| Mounting Hardware Included | No |
| Number Of Bolt Holes | 3 |
| Number Of Outlet Ports | 6 |
| Number Of Seals | 1 |
| Opening Temperature | 221 |
| Outlet Diameter | 0.89 in, 0.90 in, 1.68 in, 0.72 in, 1.28 in, 1.27 in |
| Start to Open Temperature | 221 Deg. F |
| Temperature | 221 Deg. F |
| Temperature (Degree) | 221 |
| Product line | Integrated Housing Thermostat |
| Fits | Peugeot and Mini · 7 vehicles |
OE supplier quality. Built with OEM materials and processes for dependable cooling performance.
Rapid temperature response. Copper case and wax compound react quickly to coolant changes.
Complete sealing components. Includes a rubber seal and OEM-style seals where applicable.
Cross-references Continental 49412, Dorman - OE Solutions 902-812 and Four Seasons 56782 for the same application. See all 11.
Integrated Housing Thermostat for Mini Cooling Systems
Motorad 678-221 is an integrated housing thermostat assembly built for specific Mini applications that require OE-style coolant control and housing integration. It combines the thermostat, housing, sensors, and seal in one service part for direct replacement on confirmed vehicles.
Key Features
- Integrated housing thermostat assembly for engine coolant temperature regulation
- Opening temperature: 221 Deg. F
- Bleeder hole and jiggle pin included for air management during service
- 3 bolt holes with rubber gasket/seal included
- Black housing with plastic, stainless steel, and copper construction
- 6 outlet ports with multiple outlet diameters for OE-style routing
- Offset design and air relief valve included where applicable
- Manufactured to OEM specifications and processes by an OE supplier
Product Details
Motorad’s Integrated Housing Thermostat line focuses on complete thermostat housing assemblies that match OE service requirements. This Motorad 678-221 unit uses a copper case and wax compound for responsive temperature control as coolant temperatures change, while the integrated housing design helps simplify replacement on the specified Mini Cooper, Mini Cooper Countryman, and Mini Cooper Paceman applications. This part cross-references Dorman - OE Solutions 902-812 and Continental 49412 for the same application.
Compatible With 2013 Mini Cooper, 2013 Mini Cooper Countryman, 2013 Mini Cooper Paceman, and 2006-2009 Mini Cooper. The Motorad 678-221 is also referenced by interchange numbers 67821 and HT221-876.
Common Cooling System Issues
- 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 thermostat service
- Temperature regulation concerns on OE-specified 221F applications
- Housing wear or cracking on integrated thermostat assemblies
Installation Notes and Tips
Verify vehicle build date and adapter lead requirements before installation, especially on 2013 Mini Cooper, Mini Cooper Countryman, and Mini Cooper Paceman applications noted with possible adapter lead replacement. Confirm the OE-specified 221F temperature rating and inspect the sealing surfaces before assembly. Use the included rubber seal and follow the vehicle service procedure for bleeding air from the cooling system through the bleeder hole and jiggle pin.
Quality Assurance
Motorad manufactures this thermostat housing assembly with OEM-quality materials and safety standards as an OE supplier. It is built to OE specifications and processes for demanding automotive cooling systems, with materials selected for consistent temperature response and durable service.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | Mini | Cooper | — | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; To 02/2013; May Require Adapter Lead Replacement; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Countryman | Base | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; To 02/01/2013; May Require Adapter Lead Replacement; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Paceman | Base | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter Lead Replacement; OE Specified Temperature; Integrated Housing Thermostat |
| 2009 | Mini | Cooper | — | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter Lead Replacement; OE Specified Temperature; Integrated Housing Thermostat |
| 2008 | Mini | Cooper | — | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter Lead Replacement; OE Specified Temperature; Integrated Housing Thermostat |
| 2007 | Mini | Cooper | — | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter Lead Replacement; OE Specified Temperature; Integrated Housing Thermostat |
| 2006 | Mini | Cooper | — | 1.6L | L4 | N/A | Includes thermostat, housing, sensors, and seal; Integrated Housing Thermostat |
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