Buy Gmc Sierra 2500 HD Automatic Transmission Oil Cooler Hose Assembly. 6.6 LITER DIESEL, 2017-19. Make, Repair, DIESEL - OEM Gmc Part # 84444069 (84130181, 84220784)

Automatic Transmission Oil Cooler Hose Assembly. Pipe Assembly. Valve.
Automatic Transmission Oil Cooler Hose Assembly. Kit.

Automatic Transmission Oil Cooler Hose Assembly

Fits Sierra 2500 HD (2017 - 2019)

6.6 LITER DIESEL, 2017-19.
Trans Oil Cooler Line - Repair or Replace
If your 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.