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Four Seasons 86212 Engine Coolant Thermostat Housing
Overview of Four Seasons Thermostat Housing 86212
The Four Seasons Thermostat Housing 86212 is designed for reliable engine cooling system performance in select Audi and Volkswagen models. This integrated thermostat housing includes a thermostat and gasket, ensuring a complete solution for maintaining optimal engine temperature.
- Constructed from durable black plastic material
- Includes thermostat and gasket for easy installation
- Two mounting holes with 2.75-inch bolt hole center spacing
- Inlet port diameter of 1.276 inches for precise coolant flow
- Flange thickness of 0.395 inches for secure sealing
- Overall height of 7.0 inches
- Compatible with Audi Golf, Golf R, GTI, TT Quattro, and TTS Quattro models
- Meets or exceeds OEM specifications
About the Four Seasons Thermostat Housing Product Line
The Four Seasons Thermostat Housing product line focuses on integrated thermostat housings designed to provide reliable engine coolant management. This line includes components that combine the thermostat and housing into a single unit, simplifying replacement and ensuring proper fitment. The 86212 part number is part of this line, offering a plastic housing with included thermostat and gasket to meet the cooling system requirements of specific Audi and Volkswagen vehicles.
Detailed Product Description
This engine coolant thermostat housing is engineered from black plastic, providing corrosion resistance and durability under typical engine operating conditions. The integrated thermostat housing design includes the thermostat and gasket, reducing the need for multiple parts during installation. With two mounting holes spaced 2.75 inches apart, the housing ensures a secure fit. The inlet port diameter of 1.276 inches allows for proper coolant flow, while the flange thickness of 0.395 inches supports a tight seal to prevent leaks. The overall height of 7 inches accommodates the specific engine layout of compatible vehicles.
Common Applications and Issues Addressed
- Replacement for cracked or leaking thermostat housings
- Resolving engine overheating due to thermostat failure
- Fixing coolant leaks caused by worn gaskets or seals
- Restoring proper coolant flow in Audi Golf, Golf R, GTI, TT Quattro, and TTS Quattro models
- Maintaining engine temperature regulation for optimal performance
Installation Notes and Tips
- Ensure engine is cool before beginning installation
- Use the included gasket to prevent coolant leaks
- Verify bolt hole alignment with 2.75-inch center spacing
- Check inlet port connections for secure fit
- Follow vehicle manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty
The Four Seasons Thermostat Housing 86212 meets or exceeds OEM standards for fit, form, and function. Each unit includes a thermostat and gasket to ensure a complete replacement. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 86212 |
| Position | Thermostat Housing |
| Bolt Hole Center To Bolt Hole Center | 2.75 |
| Color | Black |
| Description | Engine Coolant Components |
| Flange Thickness | 0.395 |
| Gasket Or Seal Included | Included |
| Inlet Port Diameter | 1.276 |
| Material | Plastic |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Overall Height IN | 7.000 |
| Style | w/ Thermostat |
| Thermostat Included? | Included |
| Type | Integrated Thermostat Housing |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2014 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2013 | Audi | TT Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2013 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2013 | Volkswagen | Golf | 2.0L | L4 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing |
| 2013 | Volkswagen | Golf R | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2013 | Volkswagen | GTI | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2012 | Audi | TT Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2012 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2012 | Volkswagen | Golf R | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2012 | Volkswagen | GTI | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2011 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2010 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | ||
| 2009 | Audi | TTS Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.