GM GENUINE S1420
Fits Front Inner; 4WD; w/o CUP; 3.42 Rear Axle Ratio (GU6), Single Speed Active Transfer Case (NP0), 2 Speed Manual Shaft, Switch Activated 2-Speed Transfer Case (NQH)or Front Inner; 4WD; w/o CUP; 3.23 Rear Axle Ratio (GU5), Single Speed Active Transfer Case (NP0), 2 Speed Manual Shaft, Switch Activated 2-Speed Transfer Case (NQH)or Front Inner; 4WD; w/o CUP; 3.08 Rear Axle Ratio (GU4), Single Speed Active Transfer Case (NP0), 2 Speed Manual Shaft, Switch Activated 2-Speed Transfer Case (NQH); 10.50 Ring Gear Saginaw - American Axleor Front Inner; 4WD; w/o CUP; 3.73 Rear Axle Ratio (GT4), 2 Speed Manual Shaft, Switch Activated 2-Speed Transfer Case (NQH); 10.50 Ring Gear Saginaw - American Axle