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Four Seasons 86148 Engine Coolant Thermostat Housing
Reliable Engine Coolant Thermostat Housing for Audi Models
The Four Seasons Thermostat Housing 86148 is designed to provide precise temperature regulation for your Audi A4, A5, A6, and Q5 models. This integrated thermostat housing ensures efficient engine cooling and helps maintain optimal engine performance.
- Constructed from durable plastic material for corrosion resistance
- Includes gasket and seal for a secure, leak-free installation
- Integrated thermostat included for streamlined replacement
- Flange thickness of 0.5625 inches for proper fitment
- Bolt hole center-to-center distance of 2.15 inches
- Inlet port diameter of 1.005 inches
- Overall height of 4.181 inches
- Meets or exceeds OEM specifications
About the Four Seasons Thermostat Housing Product Line
The Four Seasons Thermostat Housing line focuses on engine coolant components designed to meet or exceed original equipment manufacturer standards. This product line integrates the thermostat within the housing, simplifying installation and reducing the number of parts needed. The 86148 model is part of this line, offering a reliable replacement solution for various Audi vehicles.
Detailed Product Description
The Four Seasons 86148 thermostat housing is engineered with an integrated thermostat to regulate coolant flow effectively. Made from high-quality plastic, it resists corrosion and withstands engine heat cycles. The included gasket and seal ensure a tight fit, preventing coolant leaks. Its precise dimensions, including a 2.15-inch bolt hole spacing and a 1.005-inch inlet port diameter, guarantee compatibility with Audi A4, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, and Q5 models. The flange thickness and overall height are designed to match OEM specifications, ensuring a seamless fit and reliable operation.
Common Issues Addressed by This Thermostat Housing
- Engine overheating due to thermostat failure
- Coolant leaks from damaged or worn housing
- Inconsistent engine temperature regulation
- Corrosion-related housing degradation
- Replacement of faulty integrated thermostat units
Installation Notes and Tips
- Ensure the engine is cool before beginning installation
- Replace the gasket and seal included with the housing to prevent leaks
- Verify bolt hole alignment using the 2.15-inch center-to-center measurement
- Check coolant levels and refill as necessary after installation
- Follow vehicle-specific torque specifications for mounting bolts
Quality Assurance and Warranty
The Four Seasons Thermostat Housing 86148 meets or exceeds OEM standards, providing reliable performance and durability. This part includes a gasket and integrated thermostat to ensure a complete and secure replacement. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship; please refer to the manufacturer’s warranty details for specific terms.
| Brand | Four Seasons |
| Part Number | 86148 |
| Position | Thermostat Housing |
| Bolt Hole Center To Bolt Hole Center | 2.15 |
| Description | Engine Coolant Components |
| Flange Thickness | 0.5625 |
| Gasket Or Seal Included | Included |
| Inlet Port Diameter | 1.005 |
| Material | Plastic |
| Meets / Exceeds OEM? | Yes |
| Overall Height IN | 4.181 |
| Style | w/ Thermostat |
| Thermostat Included? | Included |
| Type | Integrated Thermostat Housing |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Audi | Q5 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2011 | Audi | A6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2011 | Audi | Q5 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2010 | Audi | A5 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2010 | Audi | A5 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2010 | Audi | A6 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2010 | Audi | Q5 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2009 | Audi | A4 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2009 | Audi | A4 Quattro | Sedan | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing |
| 2009 | Audi | A4 Quattro | Convertible | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing |
| 2009 | Audi | A5 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2009 | Audi | A5 Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2009 | Audi | A6 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2009 | Audi | A6 Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2009 | Audi | Q5 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2008 | Audi | A4 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2008 | Audi | A4 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2008 | Audi | A5 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2008 | Audi | A5 Quattro | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2008 | Audi | A6 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2008 | Audi | A6 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2007 | Audi | A4 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2007 | Audi | A4 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2007 | Audi | A6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |||
| 2007 | Audi | A6 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2006 | Audi | A4 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2006 | Audi | A4 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2006 | Audi | A6 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2006 | Audi | A6 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2005 | Audi | A4 | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2005 | Audi | A4 Quattro | 3.2L | V6 | N/A | Thermostat included in Engine Coolant Thermostat/Water Outlet Assembly Kit.; Thermostat Housing | |
| 2005 | Audi | A6 Quattro | 3.2L | V6 | 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.