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MotoradPart #: 921-221
Motorad 921-221 Engine Coolant Thermostat Housing Assembly
⚙️ 27 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$89.47Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Housing Thermostat
🚗Fitment: Mini, Cooper Countryman, Cooper Paceman, and Cooper
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Engine Coolant Thermostat Housing Assembly options
Overview of Motorad Integrated Housing Thermostat 921-221
The Motorad Integrated Housing Thermostat 921-221 is designed specifically for Mini Cooper, Cooper Countryman, and Cooper Paceman models. This engine coolant thermostat housing assembly ensures precise temperature regulation for optimal engine performance and cooling system efficiency.
- Compatible with Mini Cooper, Cooper Countryman, and Cooper Paceman
- Integrated Housing Thermostat product line by Motorad
- Opening temperature set at 221°F for accurate coolant flow control
- Constructed from durable plastic, stainless steel, and copper materials
- Includes a rubber gasket/seal for secure installation
- Features 3 bolt holes for mounting stability
- Equipped with 6 outlet ports with varying diameters for proper coolant routing
Detailed Product Description
The Motorad 921-221 thermostat housing assembly is part of the Integrated Housing Thermostat line, which combines the thermostat and housing into a single unit for streamlined installation and improved reliability. This assembly is engineered to open at 221 degrees Fahrenheit, ensuring the engine coolant circulates at the correct temperature to prevent overheating or inefficient cooling.
Manufactured using a combination of plastic, stainless steel, and copper, this thermostat housing offers a balance of durability and corrosion resistance. The included rubber gasket provides a tight seal to prevent leaks, while the three bolt holes allow for secure mounting. The six outlet ports, with diameters ranging from 0.72 inches to 1.67 inches, accommodate various coolant flow paths within the Mini Cooper cooling system.
Applications and Common Issues Addressed
- Replacement for faulty or leaking thermostat housing assemblies in Mini Cooper, Cooper Countryman, and Cooper Paceman vehicles
- Helps resolve engine overheating caused by thermostat failure
- Prevents coolant leaks due to worn or damaged seals
- Restores proper coolant flow and temperature regulation
- Addresses issues related to inconsistent engine temperature readings
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid burns
- Use the included rubber gasket to create a proper seal and prevent leaks
- Torque bolts evenly across the three mounting points to manufacturer specifications
- Inspect surrounding hoses and connections for wear during installation
- Bleeder hole is not included; ensure proper coolant system bleeding after installation
Quality Assurance and Warranty
Motorad's Integrated Housing Thermostat assemblies are manufactured to meet OEM standards for fit and function. While hardware and bolts are not included with part number 921-221, the product includes a high-quality rubber gasket to ensure a reliable seal. This part is designed to provide consistent performance and durability for Mini Cooper cooling systems. Please refer to Motorad's warranty policy for specific coverage details.
| Brand | Motorad |
| Part Number | 921-221 |
| Position | Integrated Housing Thermostat |
| Bleeder Hole | No |
| 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 | No |
| 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 | 0.72 in, 0.89 in, 0.89 in, 1.28 in, 1.28 in, 1.67 in |
| Start to Open Temperature | 221 Deg. F |
| Temperature | 221 Deg. F |
| Temperature (Degree) | 221 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Mini | Cooper Countryman | 1.6L | L4 | N/A | Includes thermostat, housing, sensors, and seal; Integrated Housing Thermostat | |
| 2016 | Mini | Cooper Countryman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2016 | Mini | Cooper Paceman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2015 | Mini | Cooper | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2015 | Mini | Cooper Countryman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2015 | Mini | Cooper Paceman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2014 | Mini | Cooper | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2014 | Mini | Cooper Countryman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2014 | Mini | Cooper Paceman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; OE Specified Temperature; Integrated Housing Thermostat | |
| 2013 | Mini | Cooper | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; From 02/01/2013; OE Specified Temperature; Integrated Housing Thermostat | |
| 2013 | Mini | Cooper Countryman | S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Countryman | S ALL4 | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Countryman | John Cooper Works ALL4 | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Countryman | Base | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; From 02/01/2013; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Paceman | S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Paceman | S ALL4 | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Mini | Cooper Paceman | John Cooper Works ALL4 | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Mini | Cooper | S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Mini | Cooper | S Clubman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Mini | Cooper | Roadster S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Mini | Cooper | Coupe S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Mini | Cooper Countryman | S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Mini | Cooper Countryman | S ALL4 | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2011 | Mini | Cooper | S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2011 | Mini | Cooper | S Clubman | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2011 | Mini | Cooper Countryman | S | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
| 2011 | Mini | Cooper Countryman | S ALL4 | 1.6L | L4 | N/A | Temperature 221F; Includes thermostat, housing, sensors, and seal; May Require Adapter (Original No. 12 51 8 611 289) with production up to 07/2012; OE Specified Temperature; Integrated Housing Thermostat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
115375888761153764775111538674895348434975259212902-5188921-221921219921221HT221-129P92121TM46105
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.