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    • Picture of Ring Set-Piston-.040

    4991253 Komatsu Ring Set-Piston-.040

    Replacement for: Komatsu
    Part number: 4991253
    SKU: KO4991253
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    The Komatsu Ring Set-Piston-.040 (part #4991253) is an aftermarket replacement engine component built to meet or exceed OEM specifications. Engine components support combustion, lubrication, and power delivery, and are replaced as part of routine service or repair. Confirm the correct part by part number 4991253, or contact our team to verify fitment for your model.

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