Buy 2005 Gmc Sierra 3500 8.1L Vortec V8 M/T 4WD WT Standard Cab Pickup Fleetside Automatic Transmission Make, GAS, Leaking, Line - OEM Gmc Part # 15812050 (15190143)

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 Avalanche 2500, Sierra 2500 HD, Sierra 3500, Silverado, Suburban 2500, Yukon XL 2500

8.1 LITER GAS.
Trans Oil Cooler Line - Repair or Replace
If your 2005 GMC Sierra 3500 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.