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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145-21-13121 Disc - Fits Komatsu EquipmentSpecial Price $89.45 Regular Price $127.79Komatsu 145-21-13121 Disc Clutch Steering
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145-20-41100 Universal Joint A - Fits Komatsu Equipment$314.63Komatsu 145-20-41100 Universal Joint
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