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Motive Gear GM12-342

Ring & Pinion Gears Ratio: 3.42

Motive Gear GM12-342

683-GM12-342

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Motive Gear GM12-342 Ring & Pinion Gears Ratio: 3.42 $202.86
Ring & Pinion Gears
  • Ratio: 3.42
  • Teeth: 41-12

  • Motive Gear GM12-342 Details

    GM 8.875" 12-Bolt

  • For GM 8.875" Truck
  • Ring Gear Diameter: 8.875"
  • Pinion Shaft Diameter: 1.438"
  • Pinion Spline Count: 30
  • Cover Bolts: 12

    Applications:
  • 1964-81 1/2 & 3/4-Ton Truck/G10, G15
  • 1969-81 G20, G25
  • 1964-82 K10, K15, C10, C15

  • Specifications:

    Gear Ratio
    3.42
    Axle Type
    GM 8.875 in.
    Ring Gear Tooth Quantity
    41
    Cover Bolt Quantity
    12
    Ring Gear Diameter
    8.875
    Ring Gear Bolt Quantity
    12
    Pinion Shaft Diameter
    1.438
    Pinion Spline Count
    30
    Ring Gear Rotation
    Standard
    Pinion Gear Tooth Quantity
    12
    Ring Gear Material
    8620 Steel
    Differential Carrier Break
    2.76 to 3.42
    Manufacturer's Part Number:
    GM12-342

    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 GM12-342 fit your vehicle?

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    Aspiration

    1969-1970 CHEVROLET C10 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1981 GMC C1500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1976 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1967 CHEVROLET C10 SUBURBAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1969-1978 GMC C25/C2500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1968 GMC C15/C1500 SUBURBAN

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1969 CHEVROLET BLAZER

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1979-1980 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1982 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1968 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1973 GMC C25/C2500 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 GMC C15/C1500 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1967-1969 CHEVROLET C10 PICKUP

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1973 GMC JIMMY

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1975-1978 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET C10 PICKUP

    • CC: 5735
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET C20 PICKUP

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972 CHEVROLET K10 PICKUP

    • CC: 4098
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1970 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972-1974 CHEVROLET G20 VAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972 GMC C25/C2500 SUBURBAN

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 CHEVROLET K10 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971-1972 GMC C15/C1500 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980 CHEVROLET C10 PICKUP

    • Liter: 5.0
    • SubModel: BIG TEN
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973 GMC JIMMY

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966-1967 CHEVROLET C10 PANEL

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969-1970 CHEVROLET K10 PICKUP

    • CC: 4801
    • Liter: 4.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1969-1970 GMC C15/C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET C20 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974 CHEVROLET K10 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979-1980 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1969-1971 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 CHEVROLET G20 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974-1978 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET K10 PICKUP

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET C10 SUBURBAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1973-1974 CHEVROLET G20 VAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1971 CHEVROLET G20 VAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974 CHEVROLET BLAZER

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1972 CHEVROLET G10 VAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 GMC K15 SUBURBAN

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1970 CHEVROLET K10 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1970 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1970 CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1982 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971 GMC P25/P2500 VAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1979 GMC JIMMY

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1971 CHEVROLET P20 VAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET G20 VAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: U
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1971 CHEVROLET G10 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973 CHEVROLET G20 VAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1967 CHEVROLET K10 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1969 GMC C15/C1500 SUBURBAN

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1980 GMC C2500 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974 CHEVROLET C20 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971 CHEVROLET K10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1974 CHEVROLET C20 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1969 CHEVROLET G20 VAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1973-1974 CHEVROLET G20 VAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1966 CHEVROLET K10 PICKUP

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: SILVERADO
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1980 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1970 CHEVROLET G20 VAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1980 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1974 GMC G15/G1500 VAN

    • Liter: 5.7
    • SubModel: VANDURA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1966 GMC K1000 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1972-1973 GMC K15/K1500 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972-1973 CHEVROLET K10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8 ( 5.7 L / 5736 CC )

    1972 CHEVROLET K10 PICKUP

    • CC: 4801
    • Liter: 4.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977-1978 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1968-1969 CHEVROLET C10 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1971 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1974 CHEVROLET C10 PICKUP

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 CHEVROLET G20 VAN

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1965 GMC G1000 SERIES

    • CC: 3180
    • Liter: 3.2
    • SubModel: BASE
    • CUI: 194
    • EngineType: L6 ( 3.2 L / 194 )

    1971 CHEVROLET G20 VAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET BLAZER

    • CC: 7439
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969 CHEVROLET G20 VAN

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6 ( 3.8 L / 230 )

    1976 GMC K15 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA GRANDE

    1970 CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: A
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972 CHEVROLET C10 SUBURBAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 GMC K1500 SUBURBAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1966 CHEVROLET C10 PICKUP

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1972 CHEVROLET C10 PICKUP

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969 CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1981 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974 CHEVROLET C10 PICKUP

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET G10 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1976 GMC K15 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971-1972 GMC K15/K1500 SUBURBAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )
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