O-Ring, Liner – 6127-21-2221T

Looking up the correct o-ring, liner starts with the exact catalog number. This product is listed as 6127-21-2221T and is associated with the Komatsu engine/application data below. Use both the number and the full application designation when checking fitment.

Komatsu Fitment Overview

Catalog data currently associates this product with 3 listed Komatsu engine/application references. Examples include 4D105-3C, S4D105-1 & 2, S4D105-3.

Compatible Engines / Applications

• 4D105-3C
• S4D105-1 & 2
• S4D105-3

Product Details

• Item: O-Ring, Liner
• Part Number: 6127-21-2221T
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 3

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

Use this compatibility information as a catalog reference, not as a substitute for equipment identification. Confirm part number 6127-21-2221T and the complete Komatsu engine/application designation before installation.