What year model 4l60e transmission will fit a 2003 gmc sierra z71 and what different vehicles can you get one out of?

A 2003 GMC Sierra Z71 can utilize a 4L60E transmission from model years 1997 to 2006. This transmission is commonly found in various GM vehicles, including the Chevrolet Silverado, GMC Yukon, Chevrolet Tahoe, and Chevrolet Suburban from those years. It’s important to ensure that the transmission is compatible with the specific engine and electronic systems of the Sierra.