THIS FITS YOUR 2021 Subaru STI

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Engine Block Heater

Part Number: A091SVA100
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Warms engine coolant to promote easier starting in extreme cold conditions. Plugs into a household electrical outlet.

Fits STI, WRX

This product fits 71 vehicle variants.
Subaru: 2 models, 71 variants between 2015 and 2021.
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