gmc Rear Axles

1000 Rear Axles

Standard Rear Axle Option Only

1500 Pickup Rear Axles

4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 2.73 ratio (opt GU2)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)

2500 Pickup Rear Axles

4x4 3.23 ratio (opt GU5)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 semi-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x4 full-floating 3.73 ratio (opt GT4)
4x2 model VIN C 3.73 ratio (opt GT4)

3500 Pickup Rear Axles

4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.42 axle ratio (opt GU6)

Acadia Rear Axles

(AWD)

Acadian Rear Axles

Standard Rear Axle Option Only

Canyon Rear Axles

4x4 4.10 ratio (opt GT5)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)

Denali Rear Axles

classic style (creased door skin)
new style (smooth door skin) AWD
new style (smooth door skin) 4x2

Envoy Rear Axles

5.3L 18" wheel 3.73 ratio
4.2L 17" wheel 3.42 ratio
3.42 axle ratio (opt GU6)
4.2L 17" wheel 4.10 ratio
5.3L 20" wheel 3.42 ratio
5.3L 3.73 ratio
4.2L 17" wheel 3.73 ratio
5.3L 18" wheel 3.42 ratio
5.3L 20" wheel 3.73 ratio
4.2L 18" wheel 3.73 ratio

Envoy XL Rear Axles

3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)

Envoy XUV Rear Axles

4.10 ratio GT5
3.73 ratio GT4
3.42 ratio GU6

Forward Control Rear Axles

2500 Series 4.10 ratio (opt GT5)
3500 Series SRW 3.23 ratio (opt GU5)
3500 Series drum rear brakes SRW
3500 Series SRW 4.56 ratio (opt HC4)
3500 Series DRW removable carrier late
2500 Series 3.73 ratio (opt GT4)
2500 Series 3.21 ratio (opt HC8)
3500 Series SRW 4.10 ratio (opt GT5)
2500 Series 4.56 ratio (opt HC4)
3500 Series DRW removable carrier

Jimmy Rear Axles

4x2 3.08 ratio (opt GU4)
4x4 2.73 ratio (opt GU2)
4x4 3.08 ratio (opt GU4)
3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
(4x4) 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
(4x4) 3.08 ratio (opt GU4)

Jimmy S15 Rear Axles

4x4 4 Dr 3.08 ratio (opt GU4)
4x2 4 Dr 3.08 ratio (opt GU4)
4x2 2 Dr 3.42 axle ratio (opt GU6)
4x4 ZR2
4x4 4 Dr 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 AWD 3.73 ratio (opt GT4)
4x2 2 Dr 3.08 ratio (opt GU4)
4x2 8-1/2" ring gear (3.42 ratio, GU6)

Safari Rear Axles

3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
4.11 ratio (opt HO4)
2.56 ratio (opt GM8)
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
3.08 ratio (opt GU4)

SAVANA 1500 VAN Rear Axles

active brake control (opt JL4)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)

SAVANA 2500 VAN Rear Axles

8500 GVW (opt C5F) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
10-1/2" ring gear
full floating axle (13 x 3.5" brakes)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
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 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)

SAVANA 3500 VAN Rear Axles

cutaway SRW 9-3/4" ring gear
exc. cutaway 4.10 ratio (opt GT5)
exc. cutaway 3.73 ratio (opt GT4)
exc. cutaway
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway SRW 9-1/2" ring gear
cutaway SRW
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
cutaway DRW 10-1/2" ring gear

Sierra 1500 Rear Axles

exc. Crew Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x4 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
Crew Cab 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)

Sierra 2500 Rear Axles

full-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)

Sierra 3500 Rear Axles

SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)

SIERRA DENALI 1500 Rear Axles

9.5" ring gear (5.3L)
8.6" ring gear (10 bolt)
9.75" ring gear (6.2L)
9.5" ring gear (14 bolt)

SIERRA DENALI 2500 Rear Axles

Standard Rear Axle Option Only

SIERRA DENALI 3500 Rear Axles

Standard Rear Axle Option Only

Sonoma Rear Axles

3.42 axle ratio (opt GU6)
4x4 4.11 ratio (opt H04)
4x2 3.42 axle ratio (opt GU6)
4x4 2.73 ratio (opt GU2)
4x4 8-1/2" ring gear ZR2 (3.73 ratio)
4x4 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
3.08 ratio (opt GU4)
4x2 w/o 3rd shock 4.10 ratio (opt GT5)
4x2 w/o 3rd shock 3.73 ratio (opt GT4)

Syclone Rear Axles

(3.42 ratio, opt GU6)

Terrain Rear Axles

(AWD)

Typhoon Rear Axles

(3.42 ratio, opt GU6)

Yukon Rear Axles

2 Dr 4x4 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
2 Dr 4x4 3.42 axle ratio (opt GU6)
2 Dr 4x2 3.08 ratio (opt GU4)
3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
exc. Denali 4x4 4.10 ratio (opt GT5)
Denali (5.7L, 3.73 ratio, opt GT4)
8-1/2" ring gear 3.08 ratio (opt GU4)

Yukon XL 1500 Rear Axles

4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)

Yukon XL 2500 Rear Axles

(3.73 ratio, opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)