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PISTONS

This category features carefully selected Komatsu aftermarket pistons 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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175-63-42221 Rod, Piston - Fits Komatsu Equipment
$2,659.43
Komatsu 175-63-42221 Piston Rod
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175-63-43121 Rod, Piston - Fits Komatsu Equipment
$2,558.05
Komatsu 175-63-43121 Piston Rod
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1241743H92 Piston Asmkit - Fits Komatsu Equipment
$95.12
Komatsu 1241743H92 Piston Asmkit
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235-25-11250 O-Ring, Piston - Fits Komatsu Equipment
$34.96
Komatsu 235-25-11250 Seal
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3802160 Kit, Engine Piston Std - Fits Komatsu Equipment
$185.73
Komatsu 3802160 Piston Kit
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20E-23-K2490 Piston, Brake - Fits Komatsu Equipment
$194.80
Komatsu 20E-23-K2490 Piston
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20G-14-K3350 Piston - Fits Komatsu Equipment
$627.97
Komatsu 20G-14-K3350 Plate
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20R-63-56280 U-Packing, Piston - Fits Komatsu Equipment
$46.00
Komatsu 20R-63-56280 Packing
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195-63-42720 Rod, Piston - Fits Komatsu Equipment
$4,199.32
Komatsu 195-63-42720 Rod
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195-63-43720 Rod, Piston - Fits Komatsu Equipment
$4,474.21
Komatsu 195-63-43720 Rod