Quality Gear - AMC Model 20 Differentials

AMC Model 20 DifferentialsQuality Gear supplies and manufactures parts for all makes and models of differentials, no matter how old the vehicle application. The AMC Model 20 was a common differential found in AMCs and Jeeps until the late 1980s. Quality Gear can help rebuild these differentials with crown and pinions, bearing kits or any other parts you may need to get your Classic back in shape.

The AMC Model 20 is defined by a perfectly round rear cover with 12 cover bolts. The bolts in the axles are a 2 piece design.


AMC Model 20 Differential parts available include:

  • Axle Shafts
  • Cases
  • Limited Slips
  • Lockers
  • Nest Kits
  • Rebuild Kits
  • Ring & Pinions

    Model 20 Specs
  • Ring Gear Diameter: 8.875
  • Ring Gear Bolts: 8
  • Cover Bolts: 12
  • Carrier Breaks: 2.73 / 3.08
  • Axle Spline Count: 29
  • Float: SF Semi-Float
  • Type: Pinion Support:
  • False Axle Lugs: 5
    Compatible with Models
  • AMX: 1968 - 1970 (Rear)
  • CJ5: 1976 - 1983 (Rear)
  • CJ6: 1976 - 1983 (Rear)
  • CJ7: 1976 - 1986 (Rear)
  • CJ8: 1981 - 1985 (Rear)
  • Concord: 1978 - 1979 (Rear)
  • H1: 1980 - 2008 (Front)
  • H1: 1980 - 2008 (Rear)
  • J10: 1980 - 1986 (Rear)
  • Javelin: 1968 - 1974 (Rear)
  • Matador: 1972 - 1978 (Rear)
  • Wagoneer: 1979 - 1986 (Rear)
A Genuine Quality Gear Upgrade

Parts listed are not necessarily manufactured by the original equipment manufacturer and any reference to the trademarks or part numbers of others are for cross reference informational purposes only.