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Four Seasons 86035 Engine Coolant Thermostat Housing - Lower
Overview of Four Seasons Thermostat Housing 86035
The Four Seasons Thermostat Housing 86035 is designed specifically for Toyota Sienna models, providing a reliable engine coolant thermostat housing solution. Crafted from durable aluminum, this housing ensures efficient heat dissipation and long-lasting performance without the thermostat included.
- Constructed from high-quality aluminum for durability
- Compatible with Toyota Sienna vehicles
- Part number 86035 for precise identification
- Flange thickness of 0.23 inches for secure mounting
- Inlet port diameter of 0.98 inches for proper coolant flow
- Bolt hole center-to-center distance of 2.62 inches
- Overall height of 4.1 inches
- Meets or exceeds OEM specifications
- Thermostat not included; designed as housing only
Detailed Product Description
This Four Seasons Thermostat Housing 86035 is engineered to meet or exceed OEM standards, ensuring compatibility and reliable performance in Toyota Sienna vehicles. The aluminum construction offers excellent resistance to corrosion and heat, which is critical for maintaining engine temperature regulation. With a flange thickness of 0.23 inches and a bolt hole center-to-center measurement of 2.62 inches, this housing provides a secure and precise fit. The inlet port diameter of 0.98 inches supports optimal coolant flow, while the overall height of 4.1 inches accommodates the engine layout without interference.
The housing is supplied without a thermostat or gasket, allowing for flexibility in installation and maintenance. It is part of the Four Seasons Thermostat Housing product line, which focuses on delivering reliable engine coolant components designed to maintain proper engine temperature and prevent overheating.
Common Applications and Issues Addressed
- Replacement of cracked or damaged thermostat housing in Toyota Sienna
- Resolving coolant leaks caused by worn or corroded housings
- Preventing engine overheating due to faulty housing fitment
- Supporting proper coolant flow and temperature regulation
- Maintaining engine cooling system integrity during repairs
Installation Notes and Tips
- Ensure the mating surfaces are clean and free of old gasket material before installation
- Use a compatible gasket or sealant as the housing does not include a gasket
- Tighten bolts evenly to the manufacturer’s torque specifications to avoid warping
- Verify inlet port alignment for proper coolant hose connection
- Inspect the thermostat separately as it is not included with this housing
Quality Assurance and Warranty
The Four Seasons Thermostat Housing 86035 is manufactured to meet or exceed OEM quality standards, ensuring dependable performance in Toyota Sienna vehicles. While the product does not include a thermostat or gasket, it is built to provide a precise fit and long service life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Four Seasons |
| Part Number | 86035 |
| Position | Thermostat Housing, Lower |
| Bolt Hole Center To Bolt Hole Center | 2.62 |
| Description | Engine Coolant Components |
| Flange Thickness | 0.23 |
| Gasket Or Seal Included | Not Included |
| Inlet Port Diameter | 0.98 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Overall Height IN | 4.1 |
| Style | w/o Thermostat |
| Thermostat Included? | Not Included |
| Type | Thermostat Housing |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Toyota | Sienna | Lower | Thermostat Housing |
| 2005 | Toyota | Sienna | Lower | Thermostat Housing |
| 2004 | Toyota | Sienna | Lower | 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.