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Subaru STI : Engine and Cooling Products
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Engine Coolant Thermostat Kit. Thermostat and Gasket.

Part Number: 21210AA030
View 21210AA030 Engine Coolant Thermostat Kit. Thermostat and Gasket. Full-Sized Product Image
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A Kit containing a Engine Coolant Thermostat and additional Parts For Installation. An Engine Coolant Thermostat Only. Housing not included.

THERMO AND GASKET ASSEMBLY Engine Coolant Thermostat KitEngine Coolant Thermostat

Fits STI (2004 - 2021)

WATER PUMP
Full Diagram
Diagram WATER PUMP for your Subaru STI
#21210
Required: 1
WATER PUMP
Full Diagram
Diagram WATER PUMP for your Subaru STI
#21210
Required: 1
WATER PUMP
Full Diagram
Diagram WATER PUMP for your Subaru STI
#21210
Required: 1

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