The Perrin PA CVT transmission oil cooler full kit for 2015–2021 Subaru WRX CVT models supplies a vehicle-specific cooler solution intended to help manage transmission oil temperatures. As a full kit, it’s meant to replace or augment factory cooling for CVT-equipped WRX vehicles to support more consistent transmission operation during sustained or demanding driving. Fitment targets the listed model years.
PERRIN 15-21 Subaru WRX CVT Transmission Oil Cooler Full Kit