Back-Up Rings | Komatsu Aftermarket Parts

This category features carefully selected Komatsu aftermarket back-up rings 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.

569-63-42190 Ring, Back-Up - Fits Komatsu Equipment
Special Price $37.87 Regular Price $54.10

Komatsu 569-63-42190 Back-Up Ring
565-62-11240 Ring - Fits Komatsu Equipment
$31.38

Komatsu 565-62-11240 Back-Up Ring
4948413 Ring - Fits Komatsu Equipment
$12.29

Komatsu 4948413 Back-Up Ring
4945244 Ring, Back-Up - Fits Komatsu Equipment
$7.12

Komatsu 4945244 Back-Up Ring
4944804 Ring - Fits Komatsu Equipment
$11.66

Komatsu 4944804 Back-Up
4944322 Ring - Fits Komatsu Equipment
$6.24

Komatsu 4944322 Back-up Ring
42W-63-H0P12 Back-Up Ring - Fits Komatsu Equipment
$10.13

Komatsu 42W-63-H0P12 Back-Up Ring

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ELECTRICAL SYSTEM

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