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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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6212-31-2180 Piston - Fits Komatsu Equipment
$358.46
Komatsu 6212-31-2180 Piston
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6215-35-2130 Piston - Fits Komatsu Equipment
$358.46
Komatsu 6215-35-2130 Piston
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6240-31-2121 Piston - Fits Komatsu Equipment
$797.38
Komatsu 6240-31-2121 Piston Assembly
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6151-31-2111 Piston - Fits Komatsu Equipment
$235.90
Komatsu 6151-31-2111 Piston
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6151-31-2112 Piston - Fits Komatsu Equipment
$235.90
Komatsu 6151-31-2112 Piston
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6151-31-2510 Piston - Fits Komatsu Equipment
$235.90
Komatsu 6151-31-2510 Piston
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6151-31-2511 Piston, Engine - Fits Komatsu Equipment
$235.90
Komatsu 6151-31-2511 Piston
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6152-31-2111 Piston - Fits Komatsu Equipment
$203.63
Komatsu 6152-31-2111 Piston
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6152-31-2112 Piston - Fits Komatsu Equipment
$203.63
Komatsu 6152-31-2112 Piston
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6152-31-2122 Piston - Fits Komatsu Equipment
$203.63
Komatsu 6152-31-2122 Piston