Shop OEM General Motors Part # 85605669. Axle Assembly. (Rear). All, 3.42 ratio, 6.6 liter gas. Rear suspension. axle housing

1/2 ton. 2. 8 liter. 3. 42 ratio. 3. 54 ratio. 3. 73 ratio. 3/4 & 1 ton. 3/4 ton. 4. 10 ratio. 4. 3 liter. 6 speed TRANS. 6. 6 liter gas. 7300 gvw. 8 speed TRANS. 8500 & 8600 gvw. ALL. W/DIESEL. W/LIMITED slip. W/O diesel. W/O limited slip.

3.42 ratio. 6.6 liter gas. all.