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Motive Gear Ring & Pinion Gears AMC Model 20

Motive Gear AM20-488
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Product images may differ from actual product appearance.

683-AM20-488

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Motive Gear Ring & Pinion Gears AMC Model 20 $225.53
Ring & Pinion Gears
  • AMC Model 20
  • Ratio: 4.88
  • Teeth: 39-8
  • OEM #: N/A

  • Motive Gear AM20-488 Details

    AMC Model 20

    Ring & Pinion Gears

  • AMC Model 20
  • Ratio: 4.56
  • Teeth: 41-9
  • OEM #: 8124410

  • Specifications:

    Gear Ratio
    4.88
    Axle Type
    AMC 20
    Ring Gear Tooth Quantity
    39
    Cover Bolt Quantity
    12
    Ring Gear Diameter
    8.875
    Pinion Shaft Diameter
    1.625
    Pinion Spline Count
    28
    Ring Gear Rotation
    Standard
    Pinion Gear Tooth Quantity
    8
    Ring Gear Material
    8620 Steel
    Differential Carrier Break
    3.08 and Higher
    Ring Gear Bolt Quantity
    8
    Manufacturer's Part Number:
    AM20-488

    Motive Gear Ring & Pinion Gears are the differential's critical point of power transfer, and they're one of the simplest performance modifications to complete on a vehicle. The Motive Ring & Pinion Gears are made with superior strength and quality and are excellent OE replacements for on street applications or off-road use.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

    Does Motive Gear AM20-488 fit your vehicle?

    Narrow Results

    1970 AMERICAN MOTORS REBEL

    • EngineType: ALL
    • SubModel: SST

    1970-1971 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1969 AMERICAN MOTORS REBEL

    • Liter: 5.1
    • SubModel: SST
    • CUI: 309
    • EngineType: V8 ( 5.1 L / 309 )

    1970 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1971-1972 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: SST
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970-1972 AMERICAN MOTORS JAVELIN

    • CC: 4983
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: H
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 3802
    • Liter: 3.8
    • SubModel: 440
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1968-1969 AMERICAN MOTORS JAVELIN

    • CC: 6391
    • Liter: 6.4
    • SubModel: SST
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1976-1978 JEEP CJ7

    • EngineType: ALL
    • SubModel: BASE

    1970 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1972-1973 AMERICAN MOTORS JAVELIN

    • CC: 4983
    • Liter: 5.0
    • Aspiration: N
    • SubModel: AMX
    • Engine Vin: H
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1971 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: SC/360
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970 AMERICAN MOTORS JAVELIN

    • Liter: 5.9
    • SubModel: SST
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 4753
    • Liter: 4.7
    • SubModel: 440
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1973 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.9
    • SubModel: BROUGHAM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1973 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.9
    • SubModel: BROUGHAM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970-1971 AMERICAN MOTORS JAVELIN

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: E
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1970 AMERICAN MOTORS JAVELIN

    • CC: 6391
    • Liter: 6.4
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: X
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1974 AMERICAN MOTORS MATADOR

    • CC: 4229
    • Liter: 4.2
    • SubModel: BROUGHAM
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1983-1986 JEEP CJ7

    • Liter: 2.5
    • SubModel: BASE
    • CUI: 150
    • EngineType: L4 ( 2.5 L / 150 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 3261
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 199
    • EngineType: L6 ( 3.3 L / 199 )

    1973 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1973 AMERICAN MOTORS JAVELIN

    • CC: 4983
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1971-1974 AMERICAN MOTORS JAVELIN

    • CC: 6572
    • Liter: 6.6
    • SubModel: AMX
    • CUI: 401
    • EngineType: V8 ( 6.6 L / 401 )

    1971 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • SubModel: SPORTABOUT
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1968-1969 AMERICAN MOTORS AMBASSADOR

    • CC: 5585
    • Liter: 5.6
    • Aspiration: N
    • SubModel: DPL
    • Engine Vin: Z
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1975-1978 AMERICAN MOTORS MATADOR

    • EngineType: ALL
    • SubModel: ALL

    1970 AMERICAN MOTORS JAVELIN

    • EngineType: ALL
    • SubModel: SST TRANS AM

    1970 AMERICAN MOTORS AMX

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1968 AMERICAN MOTORS AMBASSADOR

    • CC: 5585
    • Liter: 5.6
    • SubModel: SST
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1971-1974 AMERICAN MOTORS AMBASSADOR

    • CC: 6572
    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 401
    • EngineType: V8 ( 6.6 L / 401 )

    1970-1971 AMERICAN MOTORS HORNET

    • CC: 4983
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: H
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1992-2000 AM GENERAL HUMMER

    • EngineType: ALL
    • SubModel: BASE

    1973 AMERICAN MOTORS AMBASSADOR

    • CC: 6572
    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 401
    • EngineType: V8 ( 6.6 L / 401 )

    1968-1969 AMERICAN MOTORS JAVELIN

    • CC: 5585
    • Liter: 5.6
    • SubModel: SST
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 3802
    • Liter: 3.8
    • SubModel: ROGUE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1970 AMERICAN MOTORS JAVELIN

    • CC: 6391
    • Liter: 6.4
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: Y
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1974 AMERICAN MOTORS MATADOR

    • CC: 4983
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1982-1983 JEEP CJ7

    • Liter: 2.5
    • SubModel: BASE
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1969 AMERICAN MOTORS JAVELIN

    • CC: 4753
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 3261
    • Liter: 3.3
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 199
    • EngineType: L6 ( 3.3 L / 199 )

    1974 AMERICAN MOTORS MATADOR

    • CC: 3802
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1973-1974 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970-1973 AMERICAN MOTORS JAVELIN

    • CC: 4983
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1973 AMERICAN MOTORS JAVELIN

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1986 JEEP GRAND WAGONEER

    • EngineType: ALL
    • SubModel: ALL

    1970 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.9
    • Aspiration: N
    • SubModel: DPL
    • Engine Vin: P
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968-1969 AMERICAN MOTORS AMBASSADOR

    • CC: 3802
    • Liter: 3.8
    • SubModel: DPL
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1973 AMERICAN MOTORS HORNET

    • CC: 4229
    • Liter: 4.2
    • SubModel: SPORTABOUT
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1968-1969 AMERICAN MOTORS AMBASSADOR

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1971 AMERICAN MOTORS AMBASSADOR

    • CC: 5900
    • Liter: 5.9
    • Aspiration: N
    • SubModel: DPL
    • Engine Vin: N
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1971 AMERICAN MOTORS HORNET

    • CC: 4229
    • Liter: 4.2
    • SubModel: SPORTABOUT
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1971 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: SPORTABOUT
    • Engine Vin: E
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1971 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: SPORTABOUT
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1969 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.1
    • SubModel: BASE
    • CUI: 309
    • EngineType: V8 ( 5.1 L / 309 )

    1974 AMERICAN MOTORS MATADOR

    • EngineType: ALL
    • SubModel: BASE

    1973 AMERICAN MOTORS AMBASSADOR

    • CC: 4983
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1968 AMERICAN MOTORS REBEL

    • CC: 5585
    • Liter: 5.6
    • SubModel: 550
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1971-1972 AMERICAN MOTORS AMBASSADOR

    • CC: 5900
    • Liter: 5.9
    • SubModel: SST
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970-1972 AMERICAN MOTORS AMBASSADOR

    • CC: 4983
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: H
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1972 AMERICAN MOTORS MATADOR

    • EngineType: ALL
    • SubModel: ALL

    1979 AMERICAN MOTORS SPIRIT

    • Liter: 2.0
    • SubModel: BASE
    • CUI: 121
    • EngineType: L4 ( 2.0 L / 121 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 6391
    • Liter: 6.4
    • SubModel: ROGUE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1978-1979 AMERICAN MOTORS CONCORD

    • EngineType: ALL
    • SubModel: ALL

    1969 AMERICAN MOTORS AMBASSADOR

    • CC: 5585
    • Liter: 5.6
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: S
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1967 AMERICAN MOTORS AMBASSADOR

    • EngineType: ALL
    • SubModel: DPL

    1973 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: SPORTABOUT
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1971-1974 AMERICAN MOTORS JAVELIN

    • Liter: 5.9
    • SubModel: AMX
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1967 AMERICAN MOTORS AMBASSADOR

    • CC: 3261
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 199
    • EngineType: L6 ( 3.3 L / 199 )

    1969 AMERICAN MOTORS AMBASSADOR

    • CC: 6391
    • Liter: 6.4
    • SubModel: DPL
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1970-1971 AMERICAN MOTORS AMBASSADOR

    • CC: 4983
    • Liter: 5.0
    • SubModel: DPL
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1969 AMERICAN MOTORS AMBASSADOR

    • CC: 3802
    • Liter: 3.8
    • SubModel: DPL
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1970-1972 AMERICAN MOTORS JAVELIN

    • Liter: 5.9
    • SubModel: SST
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968 AMERICAN MOTORS AMERICAN

    • CC: 4753
    • Liter: 4.7
    • SubModel: ROGUE
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1970 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.9
    • SubModel: SST
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: Q
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1971-1972 AMERICAN MOTORS JAVELIN

    • CC: 6572
    • Liter: 6.6
    • SubModel: SST
    • CUI: 401
    • EngineType: V8 ( 6.6 L / 401 )

    1967-1968 AMERICAN MOTORS AMERICAN

    • CC: 4753
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 290
    • EngineType: V8 ( 4.7 L / 290 )

    1974 AMERICAN MOTORS MATADOR

    • CC: 4983
    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1982-1986 JEEP CJ7

    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1972 AMERICAN MOTORS JAVELIN

    • CC: 4983
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 304
    • EngineType: V8 ( 5.0 L / 304 )

    1969 AMERICAN MOTORS RAMBLER

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1974 AMERICAN MOTORS MATADOR

    • Liter: 5.9
    • SubModel: BROUGHAM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1971 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968-1969 AMERICAN MOTORS JAVELIN

    • CC: 5585
    • Liter: 5.6
    • SubModel: BASE
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1973 AMERICAN MOTORS HORNET

    • Liter: 5.9
    • SubModel: SPORTABOUT
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970-1971 AMERICAN MOTORS JAVELIN

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1968 AMERICAN MOTORS AMBASSADOR

    • CC: 5585
    • Liter: 5.6
    • SubModel: DPL
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1968 AMERICAN MOTORS AMBASSADOR

    • CC: 5585
    • Liter: 5.6
    • SubModel: BASE
    • CUI: 343
    • EngineType: V8 ( 5.6 L / 343 )

    1972-1973 AMERICAN MOTORS JAVELIN

    • EngineType: ALL
    • SubModel: AMX

    1970-1971 AMERICAN MOTORS HORNET

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: SST
    • Engine Vin: E
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1984-1986 JEEP J10

    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1970 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.9
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970 AMERICAN MOTORS JAVELIN

    • CC: 6391
    • Liter: 6.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1974 AMERICAN MOTORS MATADOR

    • CC: 3802
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )

    1971 AMERICAN MOTORS AMBASSADOR

    • CC: 5900
    • Liter: 5.9
    • SubModel: DPL
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1973 AMERICAN MOTORS MATADOR

    • CC: 4229
    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1976-1986 JEEP CJ7

    • EngineType: ALL
    • SubModel: ALL

    1970 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.9
    • SubModel: DPL
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968 AMERICAN MOTORS AMBASSADOR

    • CC: 3802
    • Liter: 3.8
    • Aspiration: N
    • SubModel: DPL
    • Engine Vin: C
    • CUI: 232
    • EngineType: L6 ( 3.8 L / 232 )
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.