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The Genuine Subaru OEM Thermostat and Gasket (Part #21210AA080) is a factory-original cooling system component designed for precise temperature regulation in your Subaru engine. This exact-fit replacement ensures your engine operates at the optimal thermal range, preventing overheating and protecting long-term engine health. Ideal for owners of the Impreza, Forester, Outback, and Legacy who want a direct OEM replacement with zero-compromise fitment and factory warranty backing.
| Subaru Part Number | 21210AA080 |
|---|---|
| Part Type | Thermostat & Gasket Kit |
| OEM / Aftermarket | Genuine Subaru OEM |
| System | Engine Cooling |
| Includes Gasket | Yes |
This is a direct bolt-on OEM replacement. The thermostat is located in the engine coolant circuit and installation involves draining the coolant, removing the housing, replacing the thermostat and gasket, and refilling the system with the correct Subaru coolant. Professional installation is recommended to ensure proper torque and system bleeding, especially for DIYers unfamiliar with cooling system service.
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