Standard Rear Axle Option Only
3.55 ratio
3.90 ratio
3.21 ratio
Standard Rear Axle Option Only
4x4 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x4 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 3.73 ratio (opt GT4)
4x2 4.56 ratio (opt HC4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x4 full-floating 4.10 ratio (opt GT5)
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.55 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.90 ratio
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.23 ratio (opt GU5)
DRW 146" WB 9-3/4" ring gear
DRW 10-1/2" ring gear 146" WB
exc. 30 HD SRW semi-floating
DRW 7500 GVW (146" WB)
SRW 10 bolt cover
exc. 30 HD DRW
DRW 125" WB 9-3/4" ring gear
30 HD wide track (opt 5T2)
DRW 125" WB 10-1/2" ring gear
DRW 146" WB 10-1/2" ring gear
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.73 ratio (opt GT4)
SRW 14 bolt cover
DRW 125" WB 10-1/2" ring gear
DRW 6200 GVW 125" WB
DRW 10-1/2" ring gear 146" WB
10 bolt cover 6200 lb 4.10 ratio
12 bolt cover 3.21 ratio
3500 HD drum Rear brakes
DRW 7500 GVW
12 bolt cover 3.90 ratio
exc. 3500 HD SRW semi-floating
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
2.73 ratio (opt GU2)
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
3.23 ratio (opt GU5)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
LT AT 2.92 ratio (opt GW8)
AT transmission opt MYD
MT transmission opt MM6 Z28
SS AT
ZL1 MT
AT 6.2L
disc rear brakes
LS AT 2.92 ratio (opt GW8)
LS AT 3.27 ratio (opt GW6)
disc rear brakes w/o traction control
cut-out cover exc. SW
cut-out cover 5" BC exc. SW
(round cover) 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 5" BC SW
round cover 10-1/4x9-1/2 4-3/4" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC SW
round cover 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 SW
(round cover) 11x10-1/4 Sdn 11" brakes
Standard Rear Axle Option Only
4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x2 2.56 ratio (opt GM8)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 2.73 ratio (opt GU2)
4x2 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x4 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
Standard Rear Axle Option Only
(AWD)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
3.73 ratio (opt GT4)
9-3/4" ring gear 7300 GVW (opt C6A)
full floating axle (13 x 3.5" brakes)
10-1/2" ring gear
7300 GVW (opt C6A)
9-3/4" ring gear 4.10 ratio (opt GT5)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
9-3/4" ring gear 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
exc. cutaway 3.73 ratio (opt GT4)
Cutaway Van SRW 9-1/2" ring gear
cutaway SRW 9-1/2" ring gear
cutaway DRW 10-1/2" ring gear
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway SRW 10-1/2" ring gear
cutaway SRW
cutaway DRW 10-3/4" ring gear
cutaway DRW
30 Series DRW removable carrier early
30 Series DRW removable carrier late
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series SRW 3.23 ratio (opt GU5)
30 Series drum rear brakes SRW
20 Series 4.10 ratio (opt GT5)
30 Series SRW 3.73 ratio (opt GT4)
20 Series 4.56 ratio (opt HC4)
30 Series SRW 3.21 ratio (opt HC8)
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC
cut-out cover 5" BC exc. SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
round cover 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 4-3/4" BC
(round cover) 11x10-1/4 5" BC
cut-out cover exc. SW
cut-out cover 5" BC SW
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
9.5" ring gear (14 bolt) brake opt JF3
4x2 3.42 axle ratio (opt GU6)
Regular Cab 4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt) brake opt JD9
4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Crew Cab 3.73 ratio (opt GT4)
full-floating axle 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 4.11 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 3.73 ratio (opt GT4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 (3.73 ratio, opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 (3.73 ratio, opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 police (opt PPV)
4x4 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 w/o police 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
ABS 4 Dr (5.12 ratio)
ABS AT (4.88 ratio)
ABS MT (4.62 ratio)
ABS MT 1.6L (5.12 ratio)
w/o ABS AT (4.88 ratio)
w/o ABS MT 2.0L (4.62 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
ABS 2 Dr AT (4.30 ratio)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
4.2L 20" wheel 3.73 ratio
6.0L
5.3L 3.42 ratio
4.2L 18" wheel 3.73 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 4.10 ratio
5.3L 3.73 ratio
4.2L 20" wheel 3.42 ratio
4.2L 18" wheel 4.10 ratio
4.2L 17" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)