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Dorman 902-5860 Engine Coolant Thermostat Housing - Inner
Overview of Dorman Engine Coolant Thermostat Housing 902-5860
The Dorman 902-5860 engine coolant thermostat housing is designed for reliable cooling system performance in select Lexus and Toyota vehicles. Crafted from durable metal with a natural finish, this thermostat housing supports efficient engine temperature regulation for models like the Toyota Camry and Lexus RX330.
- Constructed from sturdy metal material for durability
- Natural color finish for corrosion resistance
- Multiple bolt hole centers ranging from 20.33 to 32.3 mm for precise fitment
- Outlet port diameter of 0.996 inches and inlet port diameters of 0.316 and 0.669 inches
- Flange thickness of 0.246 inches ensuring secure mounting
- Includes one thermostat housing; gasket, bolts, and thermostat not included
- Compatible with various Lexus and Toyota models including Avalon, Camry, ES300, Highlander, RX300, RX330, RX400h, Sienna, and Solara
Detailed Product Description
The Dorman 902-5860 thermostat housing is engineered to meet the specifications required by several Lexus and Toyota vehicles. Its metal construction provides strength and resistance to heat and pressure within the engine cooling system. The housing features multiple mounting hole centers, allowing for a precise and secure installation. The outlet port diameter of just under one inch and dual inlet port diameters accommodate proper coolant flow, maintaining optimal engine temperature. This part does not include a thermostat, gasket, bolts, or O-rings, so these components should be sourced separately to complete the installation.
Compatible Vehicles and Applications
- Designed for Lexus models: ES300, ES330, RX300, RX330, RX400h
- Compatible with Toyota models: Avalon, Camry, Highlander, Sienna, Solara
- Ideal for engine coolant system repairs requiring a replacement thermostat housing
- Suitable for addressing coolant leaks or housing damage in specified vehicles
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid burns
- Inspect and replace the thermostat, gasket, and mounting bolts as needed since they are not included
- Clean the mounting surface thoroughly to prevent leaks
- Torque bolts to manufacturer specifications to avoid warping or damage
- Verify proper coolant flow after installation by running the engine and checking for leaks
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 902-5860 thermostat housing undergoes quality checks to ensure durability and performance in demanding engine environments. While this product does not include a thermostat or seals, it is backed by Dorman's limited warranty against defects in material and workmanship. Refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 902-5860 |
| Air Vent (Bleeder Valve) | No |
| Bolt Hole Center To Bolt Hole Center | 20.33 |
| Bolt Hole Center To Bolt Hole Center | 26.35 |
| Bolt Hole Center To Bolt Hole Center | 28.8 |
| Bolt Hole Center To Bolt Hole Center | 31.24 |
| Bolt Hole Center To Bolt Hole Center | 31.4 |
| Bolt Hole Center To Bolt Hole Center | 32.3 |
| Bolts Included | No |
| Color | Natural |
| Flange Thickness | 0.246 |
| Gasket Or Seal Included | No |
| Height | 4.028 |
| Inlet Port Diameter | 0.316 |
| Inlet Port Diameter | 0.669 |
| Material | Metal |
| Mounting Hole Diameter | 0.284 |
| Mounting Hole Quantity | 10 |
| O Rings Included | No |
| Outlet Port Diameter | 0.996 |
| Package Contents | 1 Thermostat Housing |
| Thermostat Included | No |
This part fits 49 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2009 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2008 | Lexus | RX400h | 3.3L | V6 | Inner | Housing |
| 2008 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2008 | Toyota | Solara | 3.3L | V6 | Inner | Housing |
| 2007 | Lexus | RX400h | 3.3L | V6 | Inner | Housing |
| 2007 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2007 | Toyota | Solara | 3.3L | V6 | Inner | Housing |
| 2006 | Lexus | ES330 | 3.3L | V6 | Inner | Housing |
| 2006 | Lexus | RX330 | 3.3L | V6 | Inner | Housing |
| 2006 | Lexus | RX400h | 3.3L | V6 | Inner | Housing |
| 2006 | Toyota | Camry | 3.0L | V6 | Inner | Housing |
| 2006 | Toyota | Camry | 3.3L | V6 | Inner | Housing |
| 2006 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2006 | Toyota | Sienna | 3.3L | V6 | Inner | Housing |
| 2006 | Toyota | Solara | 3.3L | V6 | Inner | Housing |
| 2005 | Lexus | ES330 | 3.3L | V6 | Inner | Housing |
| 2005 | Lexus | RX330 | 3.3L | V6 | Inner | Housing |
| 2005 | Toyota | Camry | 3.0L | V6 | Inner | Housing |
| 2005 | Toyota | Camry | 3.3L | V6 | Inner | Housing |
| 2005 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2005 | Toyota | Sienna | 3.3L | V6 | Inner | Housing |
| 2005 | Toyota | Solara | 3.3L | V6 | Inner | Housing |
| 2004 | Lexus | ES330 | 3.3L | V6 | Inner | Housing |
| 2004 | Lexus | RX330 | 3.3L | V6 | Inner | Housing |
| 2004 | Toyota | Avalon | 3.0L | V6 | Inner | Housing |
| 2004 | Toyota | Camry | 3.0L | V6 | Inner | Housing |
| 2004 | Toyota | Camry | 3.3L | V6 | Inner | Housing |
| 2004 | Toyota | Highlander | 3.3L | V6 | Inner | Housing |
| 2004 | Toyota | Sienna | 3.3L | V6 | Inner | Housing |
| 2004 | Toyota | Solara | 3.3L | V6 | Inner | Housing |
| 2003 | Lexus | RX300 | 3.0L | V6 | Inner | Housing |
| 2003 | Toyota | Avalon | 3.0L | V6 | Inner | Housing |
| 2003 | Toyota | Highlander | 3.0L | V6 | Inner | Housing |
| 2003 | Toyota | Sienna | 3.0L | V6 | Inner | Housing |
| 2002 | Lexus | RX300 | 3.0L | V6 | Inner | Housing |
| 2002 | Toyota | Avalon | 3.0L | V6 | Inner | Housing |
| 2002 | Toyota | Highlander | 3.0L | V6 | Inner | Housing |
| 2002 | Toyota | Sienna | 3.0L | V6 | Inner | Housing |
| 2001 | Lexus | ES300 | 3.0L | V6 | Inner | Housing; w/Variable Valve Timing (VVT); Cover |
| 2001 | Lexus | RX300 | 3.0L | V6 | Inner | Housing |
| 2001 | Toyota | Avalon | 3.0L | V6 | Inner | Housing |
| 2001 | Toyota | Highlander | 3.0L | V6 | Inner | Housing |
| 2001 | Toyota | Sienna | 3.0L | V6 | Inner | Housing |
| 2000 | Lexus | ES300 | 3.0L | V6 | Inner | Housing; w/Variable Valve Timing (VVT); Cover |
| 2000 | Lexus | RX300 | 3.0L | V6 | Inner | Housing |
| 2000 | Toyota | Avalon | 3.0L | V6 | Inner | Housing |
| 1999 | Lexus | ES300 | 3.0L | V6 | Inner | Housing; w/Variable Valve Timing (VVT); Cover |
| 1999 | Lexus | RX300 | 3.0L | V6 | Inner | 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.