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Four Seasons 86316 Engine Coolant Thermostat / Water Outlet Assembly
Reliable Engine Coolant Thermostat and Water Outlet Assembly
The Four Seasons Water Outlet 86316 is designed to maintain optimal engine temperature by regulating coolant flow. This assembly includes a thermostat and gasket, ensuring a secure and efficient fit for select Lexus and Toyota models.
- Includes thermostat and gasket for a complete assembly
- Constructed from durable plastic material
- Inlet diameter of 1.365 inches for precise coolant flow
- Mount flange width of 0.396 inches for secure installation
- Overall height of 2.814 inches to fit designated engine compartments
- Compatible with Lexus and Toyota vehicles including Avalon, Camry, ES350, Highlander, RX350, RX350L, and Sienna
About the Four Seasons Water Outlet Product Line
The Water Outlet line by Four Seasons focuses on engine coolant components that integrate thermostat functionality with the outlet housing. This design simplifies replacement by combining parts, reducing potential leak points and improving coolant system reliability. The 86316 part number represents a precise fit for specific Lexus and Toyota models, ensuring proper engine temperature regulation.
Product Details and Specifications
This engine coolant thermostat and water outlet assembly features a plastic construction optimized for durability and corrosion resistance. The included thermostat helps regulate engine temperature by controlling coolant flow through the outlet. The inlet diameter of 1.365 inches and mount flange width of 0.396 inches are engineered to match OEM specifications, while the overall height of 2.814 inches ensures compatibility with the engine bay layout of compatible vehicles.
Compatible Vehicles and Common Applications
- Replacement for thermostat and water outlet assembly in Lexus RX350 and RX350L
- Engine coolant system repair for Toyota Camry and Avalon models
- Cooling system maintenance on Toyota Highlander and Sienna
- Thermostat and outlet assembly replacement for Lexus ES350
Installation Notes and Tips
When installing the Four Seasons 86316 water outlet assembly, ensure the gasket is properly seated to prevent coolant leaks. Verify the thermostat orientation matches OEM specifications for accurate temperature regulation. It is recommended to drain the coolant system before removal and refill with fresh coolant after installation. Inspect surrounding hoses and clamps for wear during replacement.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet or exceed OEM standards for fit and function. The 86316 water outlet assembly includes a thermostat and gasket to provide a reliable seal and consistent engine temperature control. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 86316 |
| Position | Water Outlet |
| Description | Engine coolant components |
| Gasket or Seal Included | Yes |
| Inlet Dia. IN | 1.365 |
| Material | Plastic |
| Mnt Flange Width IN | 0.396 |
| Overall Height IN | 2.814 |
| Style | W/ thermostat |
| Thermostat Included? | Included |
| Type | Outlet |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Lexus | ES350 | N/A | Water Outlet | |||
| 2024 | Lexus | ES350 | N/A | Water Outlet | |||
| 2024 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2023 | Lexus | ES350 | N/A | Water Outlet | |||
| 2023 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2022 | Lexus | ES350 | N/A | Water Outlet | |||
| 2022 | Lexus | RX350 | N/A | Water Outlet | |||
| 2022 | Lexus | RX350L | N/A | Water Outlet | |||
| 2022 | Toyota | Avalon | 3.5L | V6 | N/A | Water Outlet | |
| 2022 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2022 | Toyota | Highlander | 3.5L | V6 | N/A | Water Outlet | |
| 2021 | Lexus | ES350 | N/A | Water Outlet | |||
| 2021 | Lexus | RX350 | N/A | Water Outlet | |||
| 2021 | Lexus | RX350L | N/A | Water Outlet | |||
| 2021 | Toyota | Avalon | 3.5L | V6 | N/A | Water Outlet | |
| 2021 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2021 | Toyota | Highlander | 3.5L | V6 | N/A | Water Outlet | |
| 2020 | Lexus | ES350 | N/A | Water Outlet | |||
| 2020 | Lexus | RX350 | N/A | Water Outlet | |||
| 2020 | Lexus | RX350L | N/A | Water Outlet | |||
| 2020 | Toyota | Avalon | 3.5L | V6 | N/A | Water Outlet | |
| 2020 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2020 | Toyota | Highlander | 3.5L | V6 | N/A | Water Outlet | |
| 2020 | Toyota | Sienna | N/A | Water Outlet | |||
| 2019 | Lexus | ES350 | N/A | Water Outlet | |||
| 2019 | Lexus | RX350 | N/A | Water Outlet | |||
| 2019 | Lexus | RX350L | N/A | Water Outlet | |||
| 2019 | Toyota | Avalon | 3.5L | V6 | N/A | Water Outlet | |
| 2019 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2019 | Toyota | Highlander | 3.5L | V6 | GAS | N/A | Water Outlet |
| 2019 | Toyota | Sienna | N/A | Water Outlet | |||
| 2018 | Lexus | RX350 | N/A | Water Outlet | |||
| 2018 | Lexus | RX350L | N/A | Water Outlet | |||
| 2018 | Toyota | Camry | 3.5L | V6 | N/A | Water Outlet | |
| 2018 | Toyota | Highlander | 3.5L | V6 | GAS | N/A | Water Outlet |
| 2018 | Toyota | Sienna | N/A | Water Outlet | |||
| 2017 | Lexus | RX350 | N/A | Water Outlet | |||
| 2017 | Toyota | Highlander | 3.5L | V6 | N/A | Water Outlet | |
| 2017 | Toyota | Sienna | N/A | Water Outlet | |||
| 2016 | Lexus | RX350 | 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.