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Sierra 1500 Rear Axles

To receive a quote please select the appropriate year for your Gmc Sierra 1500.

2025 gmc sierra 1500 Rear Axles

9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
9.75" ring gear, 3.23 ratio (opt GU5), opt ZRX (AT4X model)
9.75" ring gear, 3.23 ratio (opt GU5), w/o opt ZRX
9.75" ring gear, 3.42 ratio (opt GU6)
9.75" ring gear, 3.73 ratio (opt GT4)

2024 gmc sierra 1500 Rear Axles

9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
9.75" ring gear, 3.23 ratio (opt GU5), opt ZRX (AT4X model)
9.75" ring gear, 3.23 ratio (opt GU5), w/o opt ZRX
9.75" ring gear, 3.42 ratio (opt GU6)
9.75" ring gear, 3.73 ratio (opt GT4)

2023 gmc sierra 1500 Rear Axles

9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
9.75" ring gear, 3.23 ratio (opt GU5), opt ZRX (AT4X model)
9.75" ring gear, 3.23 ratio (opt GU5), w/o opt ZRX
9.75" ring gear, 3.42 ratio (opt GU6)
9.75" ring gear, 3.73 ratio (opt GT4)

2022 gmc sierra 1500 Rear Axles

9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
9.75" ring gear, 3.23 ratio (opt GU5), opt ZRX (AT4X model)
9.75" ring gear, 3.23 ratio (opt GU5), w/o opt ZRX
9.75" ring gear, 3.42 ratio (opt GU6)
9.75" ring gear, 3.73 ratio (opt GT4)

2021 gmc sierra 1500 Rear Axles

8.6" ring gear (3.42 ratio, opt GU6)
9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
9.75" ring gear, 3.23 ratio (opt GU5)
9.75" ring gear, 3.42 ratio (opt GU6)

2020 gmc sierra 1500 Rear Axles

8.6" ring gear (3.42 ratio, opt GU6)
9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
9.75" ring gear, 3.23 ratio (opt GU5)
9.75" ring gear, 3.42 ratio (opt GU6)

2019 gmc sierra 1500 Rear Axles

classic style (mirrors mount in window corner), (3.42 ratio, opt GU6), (9.5" ring gear, 12 bolt cover)
new style (mirrors mount on door skin), 8.6" ring gear (3.42 ratio, opt GU6)
new style (mirrors mount on door skin), 9.50" ring gear, AAM built (opt SU7), 3.23 ratio (opt GU5)
new style (mirrors mount on door skin), 9.50" ring gear, AAM built (opt SU7), 3.42 ratio (opt GU6)
new style (mirrors mount on door skin), 9.50" ring gear, GM built (opt SU8), 3.23 ratio (opt GU5)
new style (mirrors mount on door skin), 9.50" ring gear, GM built (opt SU8), 3.42 ratio (opt GU6)
new style (mirrors mount on door skin), 9.75" ring gear, 3.23 ratio (opt GU5)
new style (mirrors mount on door skin), 9.75" ring gear, 3.42 ratio (opt GU6)
new style (mirrors mount on door skin), 9.75" ring gear, 3.73 ratio (opt GT4)

2018 gmc sierra 1500 Rear Axles

4.3L, (8.6" ring gear, 10 bolt), 3.23 ratio (opt GU5), (4x2)
4.3L, (8.6" ring gear, 10 bolt), 3.42 ratio (opt GU6), (4x4)
5.3L, 3.08 ratio (opt GU4), (9.5" ring gear, 12 bolt cover)
5.3L, 3.23 ratio (opt GU5), (9.75" ring gear)
5.3L, 3.42 ratio (opt GU6), 9.5" ring gear (12 bolt cover)
5.3L, 3.42 ratio (opt GU6), 9.75" ring gear (opt NHT)
5.3L, 3.73 ratio (opt GT4), (9.75" ring gear)
6.2L, (9.75" ring gear), 3.23 ratio (opt GU5)
6.2L, (9.75" ring gear), 3.42 ratio (opt GU6)
6.2L, (9.75" ring gear), 3.73 ratio (opt GT4)

2017 gmc sierra 1500 Rear Axles

4.3L, (8.6" ring gear, 10 bolt), 3.23 ratio (opt GU5), (4x2)
4.3L, (8.6" ring gear, 10 bolt), 3.42 ratio (opt GU6), (4x4)
5.3L, 3.08 ratio (opt GU4), (9.5" ring gear, 12 bolt cover)
5.3L, 3.23 ratio (opt GU5), (9.75" ring gear)
5.3L, 3.42 ratio (opt GU6), 9.5" ring gear (12 bolt cover)
5.3L, 3.42 ratio (opt GU6), 9.75" ring gear (opt NHT)
5.3L, 3.73 ratio (opt GT4), (9.75" ring gear)
6.2L, (9.75" ring gear), 3.23 ratio (opt GU5)
6.2L, (9.75" ring gear), 3.42 ratio (opt GU6)
6.2L, (9.75" ring gear), 3.73 ratio (opt GT4)

2016 gmc sierra 1500 Rear Axles

4.3L, (8.6" ring gear, 10 bolt), 3.23 ratio (opt GU5), (4x2)
4.3L, (8.6" ring gear, 10 bolt), 3.42 ratio (opt GU6), (4x4)
5.3L, 3.08 ratio (opt GU4), (9.5" ring gear, 12 bolt cover)
5.3L, 3.23 ratio (opt GU5), (9.75" ring gear)
5.3L, 3.42 ratio (opt GU6), 9.5" ring gear (12 bolt cover)
5.3L, 3.42 ratio (opt GU6), 9.75" ring gear (opt NHT)
5.3L, 3.73 ratio (opt GT4), (9.75" ring gear)
6.2L, (9.75" ring gear), 3.23 ratio (opt GU5)
6.2L, (9.75" ring gear), 3.42 ratio (opt GU6)
6.2L, (9.75" ring gear), 3.73 ratio (opt GT4)

2015 gmc sierra 1500 Rear Axles

4.3L, (8.6" ring gear, 10 bolt), 3.23 ratio (opt GU5), (4x2)
4.3L, (8.6" ring gear, 10 bolt), 3.42 ratio (opt GU6), (4x4)
5.3L, 3.08 ratio (opt GU4), (9.5" ring gear, 12 bolt cover)
5.3L, 3.42 ratio (opt GU6), 9.5" ring gear (12 bolt cover)
5.3L, 3.42 ratio (opt GU6), 9.75" ring gear (opt NHT)
5.3L, 3.73 ratio (opt GT4), (9.75" ring gear)
6.2L, (9.75" ring gear), 3.23 ratio (opt GU5)
6.2L, (9.75" ring gear), 3.42 ratio (opt GU6)
6.2L, (9.75" ring gear), 3.73 ratio (opt GT4)

2014 gmc sierra 1500 Rear Axles

4.3L, (8.6" ring gear, 10 bolt), 3.23 ratio (opt GU5), (4x2)
4.3L, (8.6" ring gear, 10 bolt), 3.42 ratio (opt GU6), (4x4)
5.3L, 3.08 ratio (opt GU4), (9.5" ring gear, 12 bolt cover)
5.3L, 3.42 ratio (opt GU6), (9.5" ring gear, 12 bolt cover)
5.3L, 3.73 ratio (opt GT4), (9.75" ring gear)
6.2L, (9.75" ring gear), 3.42 ratio (opt GU6)
6.2L, (9.75" ring gear), 3.73 ratio (opt GT4)

2013 gmc sierra 1500 Rear Axles

8.6" ring gear (10 bolt), hybrid option (opt HP2)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, w/o active brake control
9.5" ring gear (14 bolt), 3.42 ratio (opt GU6)
9.5" ring gear (14 bolt), 3.73 ratio (opt GT4)

2012 gmc sierra 1500 Rear Axles

8.6" ring gear (10 bolt), hybrid option (opt HP2)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, w/o active brake control
9.5" ring gear (14 bolt), 3.42 ratio (opt GU6)
9.5" ring gear (14 bolt), 3.73 ratio (opt GT4)

2011 gmc sierra 1500 Rear Axles

8.6" ring gear (10 bolt), hybrid option (opt HP2)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, w/o active brake control
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, w/o active brake control
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JG4
9.5" ring gear (14 bolt), 3.42 ratio (opt GU6)
9.5" ring gear (14 bolt), 3.73 ratio (opt GT4)

2010 gmc sierra 1500 Rear Axles

8.6" ring gear (10 bolt), hybrid option (opt HP2)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, w/o active brake control
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, w/o active brake control
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JG4
9.5" ring gear (14 bolt), 3.42 ratio (opt GU6)
9.5" ring gear (14 bolt), 3.73 ratio (opt GT4)

2009 gmc sierra 1500 Rear Axles

8.6" ring gear (10 bolt), hybrid option (opt HP2)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, active brake control (opt JL4), 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, w/o active brake control, 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF3, w/o active brake control, 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, active brake control (opt JL4), 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, w/o active brake control, 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JF7, w/o active brake control, 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JG4, 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), w/o hybrid option, brake opt JG4, 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt), 3.42 ratio (opt GU6)
9.5" ring gear (14 bolt), 3.73 ratio (opt GT4)

2008 gmc sierra 1500 Rear Axles

8.6" ring gear (10 bolt), brake opt JD9
8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), brake opt JG4, active brake control (opt JL4), 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), brake opt JG4, active brake control (opt JL4), 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), brake opt JG4, active brake control (opt JL4), 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), brake opt JG4, active brake control (opt JL4), 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt), brake opt JG4, w/o active brake control, 3.23 ratio (opt GU5)
8.6" ring gear (10 bolt), brake opt JG4, w/o active brake control, 3.42 ratio (opt GU6)
8.6" ring gear (10 bolt), brake opt JG4, w/o active brake control, 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt), brake opt JG4, w/o active brake control, 4.10 ratio (opt GT5)
9.5" ring gear (14 bolt), brake opt JD9, 3.42 ratio (opt GU6)
9.5" ring gear (14 bolt), brake opt JD9, 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt), brake opt JD9, 4.10 ratio (opt GT5)
9.5" ring gear (14 bolt), brake opt JF3

2007 gmc sierra 1500 Rear Axles

classic style, Crew Cab, 6 stud, 3.23 ratio (opt GU5)
classic style, Crew Cab, 6 stud, 3.42 ratio (opt GU6)
classic style, Crew Cab, 6 stud, 3.73 ratio (opt GT4), 8.6" ring gear
classic style, Crew Cab, 6 stud, 3.73 ratio (opt GT4), 9.5" ring gear
classic style, Crew Cab, 6 stud, 4.10 ratio (opt GT5), 8.6" ring gear
classic style, Crew Cab, 6 stud, 4.10 ratio (opt GT5), 9.5" ring gear
classic style, Crew Cab, 8 stud, 3.73 ratio (opt GT4)
classic style, Crew Cab, 8 stud, 4.10 ratio (opt GT5)
classic style, Extended Cab, 3.23 ratio (opt GU5), disc rear brakes
classic style, Extended Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF3
classic style, Extended Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF7
classic style, Extended Cab, 3.42 ratio (opt GU6), disc rear brakes
classic style, Extended Cab, 3.42 ratio (opt GU6), drum rear brakes
classic style, Extended Cab, 3.73 ratio (opt GT4), 8.6" ring gear, disc rear brakes
classic style, Extended Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF3
classic style, Extended Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF7
classic style, Extended Cab, 3.73 ratio (opt GT4), 9.5" ring gear
classic style, Extended Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF3
classic style, Extended Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF7
classic style, Extended Cab, 4.10 ratio (opt GT5), 9.5" ring gear
classic style, Regular Cab, 3.23 ratio (opt GU5), disc rear brakes
classic style, Regular Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF3
classic style, Regular Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF7
classic style, Regular Cab, 3.42 ratio (opt GU6), disc rear brakes
classic style, Regular Cab, 3.42 ratio (opt GU6), drum rear brakes
classic style, Regular Cab, 3.73 ratio (opt GT4), 8.6" ring gear, disc rear brakes
classic style, Regular Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF3
classic style, Regular Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF7
classic style, Regular Cab, 3.73 ratio (opt GT4), 9.5" ring gear
classic style, Regular Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF3
classic style, Regular Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF7
classic style, Regular Cab, 4.10 ratio (opt GT5), 9.5" ring gear
new style, 8.6" ring gear (10 bolt), brake opt JD9
new style, 8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 3.23 ratio (opt GU5)
new style, 8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 3.42 ratio (opt GU6)
new style, 8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 3.73 ratio (opt GT4)
new style, 8.6" ring gear (10 bolt), brake opt JF3, active brake control (opt JL4), 4.10 ratio (opt GT5)
new style, 8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 3.23 ratio (opt GU5)
new style, 8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 3.42 ratio (opt GU6)
new style, 8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 3.73 ratio (opt GT4)
new style, 8.6" ring gear (10 bolt), brake opt JF3, w/o active brake control, 4.10 ratio (opt GT5)
new style, 8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 3.23 ratio (opt GU5)
new style, 8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 3.42 ratio (opt GU6)
new style, 8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 3.73 ratio (opt GT4)
new style, 8.6" ring gear (10 bolt), brake opt JF7, active brake control (opt JL4), 4.10 ratio (opt GT5)
new style, 8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 3.23 ratio (opt GU5)
new style, 8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 3.42 ratio (opt GU6)
new style, 8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 3.73 ratio (opt GT4)
new style, 8.6" ring gear (10 bolt), brake opt JF7, w/o active brake control, 4.10 ratio (opt GT5)
new style, 9.5" ring gear (14 bolt), brake opt JD9, 3.42 ratio (opt GU6)
new style, 9.5" ring gear (14 bolt), brake opt JD9, 3.73 ratio (opt GT4)
new style, 9.5" ring gear (14 bolt), brake opt JD9, 4.10 ratio (opt GT5)
new style, 9.5" ring gear (14 bolt), brake opt JF3

2006 gmc sierra 1500 Rear Axles

Crew Cab, 6 lug wheel, 3.23 ratio (opt GU5)
Crew Cab, 6 lug wheel, 3.42 ratio (opt GU6)
Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4), 8.6" ring gear
Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4), 9.5" ring gear (opt AXN)
Crew Cab, 6 lug wheel, 4.10 ratio (opt GT5), 8.6" ring gear
Crew Cab, 6 lug wheel, 4.10 ratio (opt GT5), 9.5" ring gear (opt AXN)
Crew Cab, 8 lug wheel, 3.73 ratio (opt GT4)
Crew Cab, 8 lug wheel, 4.10 ratio (opt GT5)
Extended Cab, 3.23 ratio (opt GU5), disc rear brakes
Extended Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF3
Extended Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF7
Extended Cab, 3.42 ratio (opt GU6), disc rear brakes
Extended Cab, 3.42 ratio (opt GU6), drum rear brakes, opt JF3
Extended Cab, 3.42 ratio (opt GU6), drum rear brakes, opt JF7
Extended Cab, 3.73 ratio (opt GT4), 8.6" ring gear, disc rear brakes
Extended Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF3
Extended Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF7
Extended Cab, 3.73 ratio (opt GT4), 9.5" ring gear (opt AXN)
Extended Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF3
Extended Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF7
Extended Cab, 4.10 ratio (opt GT5), 9.5" ring gear (opt AXN)
Regular Cab, 3.23 ratio (opt GU5), disc rear brakes
Regular Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF3
Regular Cab, 3.23 ratio (opt GU5), drum rear brakes, opt JF7
Regular Cab, 3.42 ratio (opt GU6), disc rear brakes
Regular Cab, 3.42 ratio (opt GU6), drum rear brakes, opt JF3
Regular Cab, 3.42 ratio (opt GU6), drum rear brakes, opt JF7
Regular Cab, 3.73 ratio (opt GT4), 8.6" ring gear, disc rear brakes
Regular Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF3
Regular Cab, 3.73 ratio (opt GT4), 8.6" ring gear, drum rear brakes, opt JF7
Regular Cab, 3.73 ratio (opt GT4), 9.5" ring gear (opt AXN)
Regular Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF3
Regular Cab, 4.10 ratio (opt GT5), 8.6" ring gear, opt JF7
Regular Cab, 4.10 ratio (opt GT5), 9.5" ring gear (opt AXN)

2005 gmc sierra 1500 Rear Axles

Crew Cab, 6 lug wheel, 3.23 ratio (opt GU5)
Crew Cab, 6 lug wheel, 3.42 ratio (opt GU6)
Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4)
Crew Cab, 6 lug wheel, 4.10 ratio (opt GT5)
Crew Cab, 8 lug wheel, Quadrasteer (opt NYS), 3.73 ratio (opt GT4)
Crew Cab, 8 lug wheel, Quadrasteer (opt NYS), 4.10 ratio (opt GT5)
Crew Cab, 8 lug wheel, w/o Quadrasteer, 3.73 ratio (opt GT4)
Crew Cab, 8 lug wheel, w/o Quadrasteer, 4.10 ratio (opt GT5)
Extended Cab, Quadrasteer (opt NYS), 3.73 ratio (opt GT4)
Extended Cab, Quadrasteer (opt NYS), 4.10 ratio (opt GT5)
Extended Cab, w/o Quadrasteer, 3.23 ratio (opt GU5), hydraulic power brakes (opt JH1)
Extended Cab, w/o Quadrasteer, 3.23 ratio (opt GU5), vacuum brake booster (opt JF7)
Extended Cab, w/o Quadrasteer, 3.42 ratio (opt GU6), hydraulic power brakes (opt JH1)
Extended Cab, w/o Quadrasteer, 3.42 ratio (opt GU6), vacuum brake booster (opt JF7)
Extended Cab, w/o Quadrasteer, 3.73 ratio (opt GT4), 8.6" ring gear, hydraulic power brakes (opt JH1)
Extended Cab, w/o Quadrasteer, 3.73 ratio (opt GT4), 8.6" ring gear, vacuum brake booster (opt JF7)
Extended Cab, w/o Quadrasteer, 3.73 ratio (opt GT4), 9.5" ring gear (opt AXN)
Extended Cab, w/o Quadrasteer, 4.10 ratio (opt GT5)
Regular Cab, 4x2, 3.23 ratio (opt GU5), hydraulic power brakes (opt JH1)
Regular Cab, 4x2, 3.23 ratio (opt GU5), vacuum brake booster (opt JF7)
Regular Cab, 4x2, 3.42 ratio (opt GU6), hydraulic power brakes (opt JH1)
Regular Cab, 4x2, 3.42 ratio (opt GU6), vacuum brake booster (opt JF7)
Regular Cab, 4x2, 3.73 ratio (opt GT4), hydraulic power brakes (opt JH1)
Regular Cab, 4x2, 3.73 ratio (opt GT4), vacuum brake booster (opt JF7)
Regular Cab, 4x4, 3.42 ratio (opt GU6), hydraulic power brakes (opt JH1)
Regular Cab, 4x4, 3.42 ratio (opt GU6), vacuum brake booster (opt JF7)
Regular Cab, 4x4, 3.73 ratio (opt GT4), hydraulic power brakes (opt JH1)
Regular Cab, 4x4, 3.73 ratio (opt GT4), vacuum brake booster (opt JF7)
Regular Cab, 4x4, 4.10 ratio (opt GT5)

2004 gmc sierra 1500 Rear Axles

Crew Cab, 6 lug wheel, 3.42 ratio (opt GU6)
Crew Cab, 6 lug wheel, 3.73 ratio (opt GT4)
Crew Cab, 6 lug wheel, 4.10 ratio (opt GT5)
Crew Cab, 8 lug wheel, Quadrasteer (opt NYS)
Crew Cab, 8 lug wheel, w/o Quadrasteer, 3.73 ratio (opt GT4)
Crew Cab, 8 lug wheel, w/o Quadrasteer, 4.10 ratio (opt GT5)
Extended Cab, Quadrasteer (opt NYS), 3.73 ratio (opt GT4)
Extended Cab, Quadrasteer (opt NYS), 4.10 ratio (opt GT5)
Extended Cab, w/o Quadrasteer, 3.42 ratio (opt GU6)
Extended Cab, w/o Quadrasteer, 3.73 ratio (opt GT4), spring special (opt B2E)
Extended Cab, w/o Quadrasteer, 3.73 ratio (opt GT4), w/o spring special
Extended Cab, w/o Quadrasteer, 4.10 ratio (opt GT5)
Regular Cab, 4x2, 3.08 ratio (opt GU4)
Regular Cab, 4x2, 3.42 ratio (opt GU6)
Regular Cab, 4x2, 3.73 ratio (opt GT4)
Regular Cab, 4x4, 3.73 ratio (opt GT4)
Regular Cab, 4x4, 4.10 ratio (opt GT5)

2003 gmc sierra 1500 Rear Axles

Crew Cab, Quadrasteer (opt NYS), 3.73 ratio (opt GT4)
Crew Cab, Quadrasteer (opt NYS), 4.10 ratio (opt GT5)
Crew Cab, w/o Quadrasteer, 3.73 ratio (opt GT4)
Crew Cab, w/o Quadrasteer, 4.10 ratio (opt GT5)
Extended Cab, Quadrasteer (opt NYS), 3.73 ratio (opt GT4)
Extended Cab, Quadrasteer (opt NYS), 4.10 ratio (opt GT5)
Extended Cab, w/o Quadrasteer, 4x2, 3.08 ratio (opt GU4)
Extended Cab, w/o Quadrasteer, 4x2, 3.42 ratio (opt GU6)
Extended Cab, w/o Quadrasteer, 4x2, 3.73 ratio (opt GT4)
Extended Cab, w/o Quadrasteer, 4x4, 3.73 ratio (opt GT4)
Extended Cab, w/o Quadrasteer, 4x4, 4.10 ratio (opt GT5)
Regular Cab, 4x2, 3.08 ratio (opt GU4)
Regular Cab, 4x2, 3.42 ratio (opt GU6)
Regular Cab, 4x2, 3.73 ratio (opt GT4)
Regular Cab, 4x4, 3.73 ratio (opt GT4)
Regular Cab, 4x4, 4.10 ratio (opt GT5)

2002 gmc sierra 1500 Rear Axles

Crew Cab, 3.73 ratio (opt GT4)
Crew Cab, 4.10 ratio (opt GT5)
Extended Cab, Quadrasteer (opt NYS), 3.73 ratio (opt GT4)
Extended Cab, Quadrasteer (opt NYS), 4.10 ratio (opt GT5)
Extended Cab, w/o Quadrasteer, 4x2, 3.08 ratio (opt GU4)
Extended Cab, w/o Quadrasteer, 4x2, 3.42 ratio (opt GU6)
Extended Cab, w/o Quadrasteer, 4x2, 3.73 ratio (opt GT4)
Extended Cab, w/o Quadrasteer, 4x4, 3.73 ratio (opt GT4)
Extended Cab, w/o Quadrasteer, 4x4, 4.10 ratio (opt GT5)
Regular Cab, 4x2, 3.08 ratio (opt GU4)
Regular Cab, 4x2, 3.42 ratio (opt GU6)
Regular Cab, 4x2, 3.73 ratio (opt GT4)
Regular Cab, 4x4, 3.73 ratio (opt GT4)
Regular Cab, 4x4, 4.10 ratio (opt GT5)

2001 gmc sierra 1500 Rear Axles

Crew Cab, 3.73 ratio (opt GT4)
Crew Cab, 4.10 ratio (opt GT5)
exc. Crew Cab, 4x2, 3.08 ratio (opt GU4)
exc. Crew Cab, 4x2, 3.42 ratio (opt GU6)
exc. Crew Cab, 4x2, 3.73 ratio (opt GT4)
exc. Crew Cab, 4x4, 3.73 ratio (opt GT4)
exc. Crew Cab, 4x4, 4.10 ratio (opt GT5)

2000 gmc sierra 1500 Rear Axles

4x2, 3.08 ratio (opt GU4)
4x2, 3.42 ratio (opt GU6)
4x2, 3.73 ratio (opt GT4)
4x4, 3.73 ratio (opt GT4)
4x4, 4.10 ratio (opt GT5)

1999 gmc sierra 1500 Rear Axles

4x2, 3.08 ratio (opt GU4)
4x2, 3.42 ratio (opt GU6)
4x2, 3.73 ratio (opt GT4)
4x4, 3.73 ratio (opt GT4)
4x4, 4.10 ratio (opt GT5)