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Four Seasons 85943 Engine Coolant Thermostat / Water Outlet Assembly
Overview of Four Seasons Thermostat Housing 85943
The Four Seasons Thermostat Housing 85943 is designed for Chrysler and Dodge vehicles, including the 300, Challenger, and Charger models. This integrated thermostat housing assembly combines durable plastic construction with a pre-installed thermostat and gasket, ensuring reliable engine coolant regulation.
- Material: High-quality plastic for corrosion resistance
- Includes integrated thermostat and gasket for a complete assembly
- Outlet port diameter: 38.000 mm for precise coolant flow
- Inlet port diameter: 1.302 inches
- Two mounting holes with 3.31 inches center-to-center spacing
- Flange thickness of 0.405 inches for secure mounting
- Overall height of 2.480 inches
- 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 that simplify engine cooling system repairs. By combining the thermostat and housing into a single unit, this line reduces installation time and potential leak points. The 85943 part exemplifies this approach, providing a ready-to-install solution compatible with select Chrysler and Dodge vehicles.
Detailed Product Description
This engine coolant thermostat and water outlet assembly is engineered to maintain optimal engine temperature by regulating coolant flow. The plastic housing offers resistance to corrosion and heat, while the included thermostat ensures accurate temperature control. The gasket included with the assembly helps prevent leaks, and the two mounting holes with precise bolt hole spacing allow for straightforward installation. The integrated design reduces the risk of coolant leaks common with separate thermostat and housing setups.
Common Applications and Issues Addressed
- Replacement of faulty or leaking thermostat housings on Chrysler 300, Dodge Challenger, and Charger
- Resolving engine overheating caused by thermostat failure
- Eliminating coolant leaks due to cracked or warped housings
- Improving coolant flow with properly sized inlet and outlet ports
- Upgrading to an OEM-compliant integrated thermostat housing assembly
Installation Notes and Tips
Ensure the engine is cool before beginning installation. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Verify the bolt hole spacing of 3.31 inches matches the vehicle’s mounting points. Tighten mounting bolts evenly to the manufacturer’s torque specifications to prevent leaks.
Quality Assurance and Warranty
The Four Seasons Thermostat Housing 85943 meets or exceeds OEM standards for fit, form, and function. Each unit undergoes quality checks to ensure durability and performance. The product includes a gasket and thermostat for a complete replacement solution. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 85943 |
| Position | Thermostat Housing |
| Bolt Hole Center To Bolt Hole Center | 3.31 |
| Description | Engine Coolant Components |
| Flange Thickness | 0.405 |
| Gasket Or Seal Included | Included |
| Inlet Port Diameter | 1.302 |
| Material | Plastic |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| Outlet Port Diameter | 38.000 |
| Overall Height IN | 2.480 |
| Style | w/ Thermostat |
| Thermostat Included? | Included |
| Type | Integrated Thermostat Housing |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2023 | Chrysler | 300 | 3.6L | V6 | N/A | Water Outlet | |
| 2023 | Dodge | Challenger | 3.6L | V6 | N/A | Water Outlet | |
| 2023 | Dodge | Charger | 3.6L | V6 | N/A | Water Outlet | |
| 2022 | Chrysler | 300 | 3.6L | V6 | N/A | Water Outlet | |
| 2022 | Dodge | Challenger | 3.6L | V6 | N/A | Water Outlet | |
| 2022 | Dodge | Charger | 3.6L | V6 | N/A | Water Outlet | |
| 2021 | Chrysler | 300 | 3.6L | V6 | N/A | Water Outlet | |
| 2021 | Dodge | Challenger | 3.6L | V6 | N/A | Water Outlet | |
| 2021 | Dodge | Charger | 3.6L | V6 | N/A | Water Outlet | |
| 2020 | Chrysler | 300 | Limited | 3.6L | V6 | N/A | Thermostat Housing |
| 2020 | Dodge | Challenger | GT | N/A | Thermostat Housing | ||
| 2020 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2019 | Chrysler | 300 | Limited | 3.6L | V6 | N/A | Thermostat Housing |
| 2019 | Dodge | Challenger | GT | N/A | Thermostat Housing | ||
| 2019 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2018 | Chrysler | 300 | S | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Chrysler | 300 | Limited | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Chrysler | 300 | Touring | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Dodge | Challenger | GT | N/A | Thermostat Housing | ||
| 2018 | Dodge | Challenger | SXT | N/A | Thermostat Housing | ||
| 2018 | Dodge | Challenger | SXT Plus | N/A | Thermostat Housing | ||
| 2018 | Dodge | Charger | GT | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Dodge | Charger | SXT | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Dodge | Charger | SXT Plus | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Dodge | Charger | Pursuit | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Dodge | Charger | GT Plus | 3.6L | V6 | N/A | Thermostat Housing |
| 2018 | Dodge | Charger | SXT Plus Leather | 3.6L | V6 | N/A | Thermostat Housing |
| 2017 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2017 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2017 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2016 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2016 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2016 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2015 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2015 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2015 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2014 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2014 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2014 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2013 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2013 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2013 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2012 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2012 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2012 | Dodge | Charger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2011 | Chrysler | 300 | 3.6L | V6 | N/A | Thermostat Housing | |
| 2011 | Dodge | Challenger | 3.6L | V6 | N/A | Thermostat Housing | |
| 2011 | Dodge | Charger | 3.6L | V6 | N/A | 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.