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. 421-15-12450 Gear - Fits Komatsu Equipment
    $134.22
    Komatsu 421-15-12450 Planetary Gear
  2. 421-15-12420 Gear - Fits Komatsu Equipment
    $132.01
    Komatsu 421-15-12420 Planetary Gear
  3. 419-46-23210 Shaft - Fits Komatsu Equipment
    $315.41
    Komatsu 419-46-23210 Shaft
  4. 419-33-21751 Plate - Fits Komatsu Equipment
    $238.15
    Komatsu 419-33-21751 Plate
  5. 419-22-22810 Carrier - Fits Komatsu Equipment
    $977.16
    Komatsu 419-22-22810 Carrier
  6. 419-22-22742 Gear - Fits Komatsu Equipment
    $1,013.00
    Komatsu 419-22-22742 Gear
  7. 419-22-22720 Shaft - Fits Komatsu Equipment
    $563.93
    Komatsu 419-22-22720 Shaft
  8. 419-22-12510 Shaft - Fits Komatsu Equipment
    $46.58
    Komatsu 419-22-12510 Shaft
  9. 419-20-12621 Spider Asm - Fits Komatsu Equipment
    $169.97
    Komatsu 419-20-12621 Universal Joint Spider
  10. 419-15-12910 Disc - Fits Komatsu Equipment
    $42.41
    Komatsu 419-15-12910 Disc
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