2021 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLT Crew Cab Pickup Automatic Transmission Oil Cooler Tube. Hose - 15170217

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2021 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLT Crew Cab Pickup

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Automatic Transmission Oil Cooler Tube. Hose. Inlet pipe.

Part Number: 15170217

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Automatic Transmission Oil Cooler Hose. Automatic Transmission Oil Cooler Tube. Radiator To Auxiliary Oil Cooler.

Automatic Transmission Oil Cooler TubeAutomatic Transmission Oil Cooler Hose

Fits Sierra 2500 HD, Sierra 3500, Silverado

6.6 LITER TURBO DIESEL.
Trans Oil Cooler Line - Repair or Replace
If your 2021 GMC Sierra 2500 HD is leaking transmission fluid—typically a reddish fluid that becomes darker as it ages—you may have a leaking transmission cooler line. Our GMC experts can diagnose the fault and repair it using factory genuine GMC parts.