Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 model VIN R 3.73 ratio (opt GT4)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 6 lug wheel 4.10 ratio (opt GT5)
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.55 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.21 ratio
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.73 ratio (opt GT4)
exc. 30 HD DRW
DRW 6200 GVW 125" WB
SRW full-floating 13x3-1/2 brakes
30 HD w/o wide track
DRW 7500 GVW (146" WB)
DRW 10-1/2" ring gear 125" WB
SRW semi-floating
DRW 125" WB 9-3/4" ring gear
30 HD wide track (opt 5T2)
SRW full-floating
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
exc. 3500 HD DRW
3500 HD w/o wide track
DRW 5700 GVW (125" WB, 8-454)
DRW 146" WB 9-3/4" ring gear
SRW full-floating 13x3-1/2 brakes
DRW 125" WB 9-3/4" ring gear
DRW 6200 GVW 146" WB
12 bolt cover 3.55 ratio
DRW 6200 GVW 125" WB
3500 HD drum Rear brakes
2.56 ratio (opt GM8)
2.73 ratio (opt GU2)
3.23 ratio (opt GU5)
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.11 ratio (opt HO4)
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)
disc rear brakes aluminum caliper
disc rear brakes cast iron caliper
AT 3.6L
disc rear brakes
LT AT 3.27 ratio (opt GW6)
SS MT
MT 6.2L
ZL1 AT
LS AT 2.92 ratio (opt GW8)
ZL1 MT
cut-out cover 5" BC SW
cut-out cover SW
round cover 10-1/4x9-1/2 5" BC
cut-out cover 5" BC exc. SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 4-3/4" BC
cut-out cover exc. SW
8.5" ring gear SW
(round cover) 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 Sdn 11" brakes
Standard Rear Axle Option Only
4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x2 2.56 ratio (opt GM8)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x2 3.42 axle ratio (opt GU6)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
4x4 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
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)
10-1/2" ring gear
9-3/4" ring gear 3.73 ratio (opt GT4)
full floating axle (13 x 3.5" brakes)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
10-1/2" ring gear (3.54 ratio, opt GH0)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
9-1/2" ring gear (3.42 ratio, opt GU6)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
7300 GVW (opt C6A)
cutaway DRW 10-3/4" ring gear
cutaway DRW
cutaway SRW 9-1/2" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway SRW 10-1/2" ring gear
cutaway SRW 9-3/4" ring gear
exc. cutaway 3.73 ratio (opt GT4)
Cutaway Van SRW 9-1/2" ring gear
cutaway SRW
cutaway DRW 10-1/2" ring gear
30 Series SRW 3.21 ratio (opt HC8)
30 Series DRW removable carrier
30 Series DRW removable carrier late
30 Series DRW removable carrier early
30 Series SRW 3.42 axle ratio (opt GU6)
20 Series 3.21 ratio (opt HC8)
20 Series
20 Series 4.56 ratio (opt HC4)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 3.73 ratio (opt GT4)
cut-out cover 5" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 4-3/4" BC
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover 4-3/4" BC
cut-out cover 5" BC exc. SW
round cover 11x10-1/4 5" BC SW
round cover 11x10-1/4 5" BC exc. SW
cut-out cover exc. SW
(round cover) 11x10-1/4 5" BC
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
Regular Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
semi-floating axle 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
10.50" ring gear 3.73 ratio (opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x4 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 4.10 ratio (opt GT5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
ABS MT 1.6L (5.12 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
ABS AT (4.88 ratio)
ABS 4 Dr (5.12 ratio)
w/o ABS MT (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS MT (4.62 ratio)
AT (4.62 ratio)
MT (5.12 ratio)
4.2L 17" wheel 3.73 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 3.42 ratio
5.3L 3.42 ratio
5.3L 3.73 ratio
4.2L 17" wheel 4.10 ratio
4.2L 18" wheel 4.10 ratio
4.2L 18" wheel 3.73 ratio
5.3L 4.10 ratio
6.0L
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)