Buy 2015 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLE Extended Cab Pickup Fleetside Automatic - OEM Gmc Part # 23280474 (22795974, 23464735)

Automatic Transmission Oil Cooler Hose Assembly. Pipe Assembly - Transmission Fluid Auxiliary CLEAR Outlet.
Automatic Transmission Oil Cooler Hose Assembly. Cooler to Trans.

Automatic Transmission Oil Cooler Hose Assembly

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, 2015-16.
Trans Oil Cooler Line - Repair or Replace
If your 2015 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.