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    gmcSierra 1500 Rear Axles

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      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)