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TRANSMISSION PARTS

This category features carefully selected Komatsu aftermarket transmission parts from WQParts. Every component is chosen to deliver consistent fit, durability, and performance in tough working conditions. Whether you are rebuilding a specific system or refreshing high‑wear components, our Komatsu replacement parts help you reduce downtime without sacrificing quality or safety.
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  1. 6742-01-5478 Shaft - Fits Komatsu Equipment6742-01-5478 Shaft - Fits Komatsu Equipment Quick Shop
    6742-01-5478 Shaft - Fits Komatsu Equipment
    $73.03
    Komatsu 6742-01-5478 Shaft
  2. 421-46-11461 Shaft - Fits Komatsu Equipment421-46-11461 Shaft - Fits Komatsu Equipment Quick Shop
    421-46-11461 Shaft - Fits Komatsu Equipment
    $238.41
    Komatsu 421-46-11461 Pin
  3. 423-15-19210 Ring, Cage Transfer Gear - Fits Komatsu Equipment423-15-19210 Ring, Cage Transfer Gear - Fits Komatsu Equipment Quick Shop
    423-15-19210 Ring, Cage Transfer Gear - Fits Komatsu Equipment
    $59.63
    Komatsu 423-15-19210 Ring Seals
  4. 424-15-05020 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment424-15-05020 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment Quick Shop
    424-15-05020 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment
    $152.39
    Komatsu 424-15-05020 Shim Assembly
  5. 424-15-05030 Kit, Lower Transfer Gear Shim - Fits Komatsu Equipment424-15-05030 Kit, Lower Transfer Gear Shim - Fits Komatsu Equipment Quick Shop
    424-15-05030 Kit, Lower Transfer Gear Shim - Fits Komatsu Equipment
    $417.94
    Komatsu 424-15-05030 Shim Assembly
  6. 424-15-05040 Kit, Transfer Gear Shim - Fits Komatsu Equipment424-15-05040 Kit, Transfer Gear Shim - Fits Komatsu Equipment Quick Shop
    424-15-05040 Kit, Transfer Gear Shim - Fits Komatsu Equipment
    $109.08
    Komatsu 424-15-05040 Shim Assembly
  7. 424-15-12440 Gear - Fits Komatsu Equipment424-15-12440 Gear - Fits Komatsu Equipment Quick Shop
    424-15-12440 Gear - Fits Komatsu Equipment
    $87.29
    Komatsu 424-15-12440 Planetary Gear
  8. 424-15-12520 Shaft - Fits Komatsu Equipment424-15-12520 Shaft - Fits Komatsu Equipment Quick Shop
    424-15-12520 Shaft - Fits Komatsu Equipment
    $43.92
    Komatsu 424-15-12520 Shaft
  9. 424-15-13551 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment424-15-13551 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment Quick Shop
    424-15-13551 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment
    $143.74
    Komatsu 424-15-13551 Shim Assembly
  10. 424-15-13561 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment424-15-13561 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment Quick Shop
    424-15-13561 Kit, Upper Transfer Gear Shim - Fits Komatsu Equipment
    $143.74
    Komatsu 424-15-13561 Shim Assembly
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