Standard Rear Axle Option Only
3.21 ratio
3.90 ratio
3.55 ratio
Standard Rear Axle Option Only
4x4 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x4 full-floating 4.56 ratio (opt HC4)
4x2 model VIN R 4.56 ratio (opt HC4)
10 bolt cover 3.55 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover 3.21 ratio
10 bolt cover 3.90 ratio
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.56 ratio (opt HC4)
DRW 7500 GVW (146" WB)
30 HD wide track (opt 5T2)
DRW 146" WB 10-1/2" ring gear
DRW 125" WB 10-1/2" ring gear
DRW 5700 GVW (125" WB, 8-454)
DRW 10-1/2" ring gear 125" WB
DRW 146" WB 9-3/4" ring gear
DRW 6200 GVW 125" WB
SRW 14 bolt cover
SRW 10 bolt cover
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
DRW 7500 GVW (146" WB)
12 bolt cover 3.55 ratio
DRW 146" WB 10-1/2" ring gear
SRW full-floating 13x3-1/2 brakes
exc. 3500 HD DRW
SRW semi-floating
exc. 3500 HD SRW semi-floating
DRW 146" WB 9-3/4" ring gear
DRW 6200 GVW 125" WB
DRW 7500 GVW
3.08 ratio (opt GU4)
2.56 ratio (opt GM8)
3.42 axle ratio (opt GU6)
4.11 ratio (opt HO4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
2.73 ratio (opt GU2)
3.23 ratio (opt GU5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
disc rear brakes 10 bolt cover
MT transmission opt MM6 Z28
SS MT
drum rear brakes
LS AT 2.92 ratio (opt GW8)
traction control (opt NW9) 3.8L
SS AT
ZL1 AT
LT MT
disc rear brakes aluminum caliper
cut-out cover exc. SW
cut-out cover 4-3/4" BC
7.625" ring gear
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 SW
(round cover) 11x10-1/4 5" BC exc. SW
(round cover) 10-1/4x9-1/2
round cover 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 5" BC SW
Standard Rear Axle Option Only
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 2.56 ratio (opt GM8)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x2 3.73 ratio (opt GT4)
4x4 2.73 ratio (opt GU2)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 3.73 ratio (opt GT4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x4 3.21 ratio (opt HC8)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 sport suspension (opt ZQ8)
4x4 3.73 ratio (opt GT4)
4x2 off road suspension (opt Z71)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-1/2" ring gear (3.42 ratio, opt GU6)
9-3/4" ring gear 3.73 ratio (opt GT4)
full floating axle (13 x 3.5" brakes)
10-1/2" ring gear
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
9-3/4" ring gear 4.10 ratio (opt GT5)
9-3/4" ring gear 7300 GVW (opt C6A)
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway SRW 9-1/2" ring gear
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 10-1/2" ring gear
exc. cutaway
cutaway DRW 10-3/4" ring gear
cutaway SRW 10-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
exc. cutaway 4.10 ratio (opt GT5)
cutaway DRW
30 Series DRW removable carrier early
20 Series 3.21 ratio (opt HC8)
20 Series 4.56 ratio (opt HC4)
30 Series SRW 4.56 ratio (opt HC4)
30 Series drum rear brakes SRW
20 Series 3.73 ratio (opt GT4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series DRW removable carrier
(round cover) 11x10-1/4 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover 5" BC SW
cut-out cover SW
round cover 11x10-1/4 5" BC
cut-out cover 4-3/4" BC
cut-out cover 5" BC
round cover 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
Regular Cab 4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
Regular Cab 4x2 3.08 ratio (opt GU4)
full-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
11.50" ring gear (3.73 ratio, opt GT4)
full-floating axle 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)
10.5" ring gear 3.73 ratio (opt GT4)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x4 4.11 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 (3.73 ratio, opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 (3.73 ratio, opt GT4)
4 Dr 4x2 3.08 ratio (opt GU4)
2 Dr 4x2 3.73 ratio (opt GT4)
4x2 police (opt PPV)
4x2 w/o police 4.10 ratio (opt GT5)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
ABS AT (4.88 ratio)
w/o ABS MT 2.0L (4.62 ratio)
w/o ABS 4 Dr (5.12 ratio)
ABS 2 Dr MT (5.12 ratio)
ABS MT 1.6L (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
ABS MT (4.62 ratio)
AT Calif (4.30 ratio)
ABS MT 2.0L (4.62 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
4.2L 18" wheel 4.10 ratio
5.3L 4.10 ratio
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 3.42 ratio
4.2L 20" wheel 3.42 ratio
4.2L 20" wheel 3.73 ratio
6.0L
5.3L 3.73 ratio
4.2L 17" wheel 4.10 ratio
4.2L 18" wheel 3.73 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)