Piston Ring Set – 0.50 mm – 4225858M91

This listing is for Piston Ring Set – 0.50 mm, part number 4225858M91, referenced for the Komatsu engines and applications shown below. The part number is retained exactly so buyers can compare it directly with an existing component, parts book, or service record.

Komatsu Fitment Overview

Catalog data currently associates this product with 1 listed Komatsu engine/application: 4D130-1 & S4D130-1.

Compatible Engines / Applications

• 4D130-1 & S4D130-1

Product Details

• Item: Piston Ring Set – 0.50 mm
• Part Number: 4225858M91
• Brand / Application Reference: Komatsu
• Catalog Specification: 0.50 mm, Set
• Listed Applications: 1

Service and Replacement Notes

Cylinder-repair parts should be selected from exact catalog data rather than appearance. Pay close attention to piston, ring, liner, or sleeve size references and to engine suffixes in the compatibility list. These details can distinguish otherwise similar components.

Before Ordering

Before ordering, compare 4225858M91 with the number on the original part or with trusted service information. Also verify the full engine or machine designation, including suffixes, series codes, and size references where applicable.