Coolant Thermostat Housing For Toyota Matrix RAV4 Camry Highlander
Restore precise engine temperature control with this aluminum thermostat housing, engineered for Toyota and Scion platforms. When factory housings crack or leak, cooling systems lose pressure, causing overheating and potential internal damage. This direct-fit replacement restores factory sealing standards while delivering consistent thermal conductivity to keep your motor running at peak efficiency. It addresses common leak points without requiring custom fabrication.
Benefits & Installation Advice
- Always replace the mating gasket or O-ring to guarantee a leak-free seal upon restart.
- Flush and refill with OEM-specified coolant to prevent aluminum corrosion and maintain flow rates.
- Monitor engine gauges closely during the first drive cycle to confirm stable temperature regulation.
Product Specifications
- Material: Corrosion-resistant Aluminum Alloy
- Weight: Approximately 200 grams
- OEM Numbers: 90916-03129, 90916-03084, 90916-A3003, 16321-0H011, 16321-28020
- Placement: Thermostat Housing Assembly
- Fits: 1.8L to 3.5L 4-Cylinder and V6 Configurations
Package includes:
- One brand new thermostat housing unit
Important Reminders
Use vehicle compatibility charts only as reference. You must match the stamped part numbers on your existing component before ordering. Incorrect identification may result in improper fitment or mounting alignment issues.
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