2025 Subaru Automatic Transmission Oil Cooler Tube. Pipe - 21620AA120

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Automatic Transmission Oil Cooler Tube. Pipe Complete Oil Cooler (Outer, Outlet) (AT).

Part Number: 21620AA120

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PIPE COMPLETE-OIL COOLER,OUTLET Automatic Transmission Oil Cooler Tube

Fits Baja, Forester, Impreza, Legacy, Outback, WRX

Trans Oil Cooler Line
If your 2025 Subaru is leaking transmission fluid—typically a reddish fluid that becomes darker as it ages—you may have a leaking transmission cooler line. Our Subaru experts can diagnose the fault and repair it using factory genuine Subaru parts.