OE Quality
60-Day Returns

Four Seasons 85952 Engine Coolant Thermostat / Water Outlet Assembly
Overview of Four Seasons Water Outlet Assembly 85952
The Four Seasons Water Outlet Assembly 85952 is designed for reliable engine coolant management in select Toyota vehicles. This assembly includes a thermostat and gasket, ensuring proper fit and function for Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra models.
- Includes thermostat and gasket for complete installation
- Constructed from durable plastic material
- Inside diameter: 1.180 inches, inlet diameter: 1.34 inches
- Maximum height of 5.66 inches with 3 mounting holes
- Meets or exceeds OEM specifications for quality assurance
- Mount flange width of 0.39 inches and bolt hole spacing of 2.57 inches
- Compatible with Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra
Detailed Product Description
The Four Seasons Water Outlet Assembly 85952 is an engine coolant thermostat and water outlet assembly designed to regulate coolant flow and maintain optimal engine temperature. Made from high-quality plastic, this part features a 1.180-inch inside diameter and a 1.34-inch inlet diameter, ensuring precise coolant flow. The assembly includes a thermostat and gasket, providing a complete solution for replacement needs. With three mounting holes spaced 2.57 inches apart center-to-center, installation aligns with OEM standards. The maximum height of 5.66 inches and a mount flange width of 0.39 inches contribute to a secure and proper fit.
About the Four Seasons Water Outlet Product Line
The Water Outlet product line by Four Seasons focuses on engine coolant components designed to meet or exceed OEM requirements. This line includes assemblies that integrate thermostats and water outlets to ensure efficient coolant circulation and temperature regulation. The 85952 part number is part of this line, offering a reliable replacement option for specific Toyota models requiring precise fitment and performance.
Common Applications and Issues Addressed
- Replacement of faulty or leaking water outlet assemblies
- Thermostat failure causing engine overheating or poor temperature regulation
- Coolant leaks due to worn gaskets or seals
- Corrosion or damage to original plastic water outlet components
- Maintaining proper coolant flow in Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra engines
Installation Notes and Tips
- Ensure engine is cool before beginning installation to avoid injury
- Use the included gasket to prevent coolant leaks and ensure a tight seal
- Verify mounting hole alignment with existing engine block holes
- Torque bolts to manufacturer specifications to avoid damage
- Check coolant levels and system pressure after installation
Quality Assurance and Warranty
The Four Seasons Water Outlet Assembly 85952 meets or exceeds OEM standards, providing dependable performance for Toyota vehicles. This part includes a thermostat and gasket to ensure a complete and reliable 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 coverage information.
| Brand | Four Seasons |
| Part Number | 85952 |
| Position | Water Outlet |
| Bolt Hole Center To Bolt Hole Center | 2.57 |
| Description | Engine Coolant Components |
| Gasket Or Seal Included | Included |
| Inlet Dia. IN | 1.34 |
| Inside Diameter | 1.180 |
| Material | Plastic |
| Maximum Height | 5.66 |
| Meets / Exceeds OEM? | Yes |
| Mnt Flange Width IN | 0.39 |
| Mounting Hole Quantity | 3 |
| Style | w/ Thermostat |
| Thermostat Included? | Included |
| Type | Outlet |
This part fits 55 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2022 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2021 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2020 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2019 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2018 | Toyota | 4Runner | Limited | N/A | Water Outlet | ||
| 2018 | Toyota | 4Runner | Base | N/A | Water Outlet | ||
| 2018 | Toyota | 4Runner | SR5 | N/A | Water Outlet | ||
| 2018 | Toyota | 4Runner | SR5 Premium | N/A | Water Outlet | ||
| 2018 | Toyota | 4Runner | TRD Pro | N/A | Water Outlet | ||
| 2018 | Toyota | 4Runner | TRD Off-Road | N/A | Water Outlet | ||
| 2018 | Toyota | 4Runner | TRD Off-Road Premium | N/A | Water Outlet | ||
| 2017 | Toyota | 4Runner | N/A | w/ Gasket, Housing and Thermostat; Water Outlet | |||
| 2016 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2015 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2015 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2014 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2014 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2014 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2014 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2013 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2013 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2013 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2013 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2012 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2012 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2012 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2012 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2011 | Toyota | 4Runner | N/A | Water Outlet | |||
| 2011 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2011 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2011 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2010 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2010 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2010 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2010 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2009 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2009 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2009 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2009 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2008 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2008 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2008 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2008 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2007 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2007 | Toyota | FJ Cruiser | N/A | Water Outlet | |||
| 2007 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2007 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2006 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2006 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2006 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2005 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2005 | Toyota | Tacoma | 4.0L | V6 | N/A | Water Outlet | |
| 2005 | Toyota | Tundra | 4.0L | V6 | N/A | Water Outlet | |
| 2004 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet | |
| 2003 | Toyota | 4Runner | 4.0L | V6 | N/A | Water Outlet |
* 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.