Buy 2021 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLT Crew Cab Pickup Automatic Transmission Design, Make, Inlet - OEM Gmc Part # 85132191 (84036742, 85043948)

Automatic Transmission Oil Cooler Hose Assembly. Pipe Assembly - Transmission Fluid CLEAR Inlet and Outlet. Tube Assembly.
2nd Design. Automatic Transmission Oil Cooler Hose Assembly. Incl.Inlet & Outlet.

Automatic Transmission Oil Cooler Hose Assembly

Fits Escalade , Escalade ESV, Sierra 1500, Sierra 1500 Limited, Silverado, Suburban , Tahoe , Yukon, Yukon XL

6 SPEED. 6-speed trans, 2nd design.
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.