Seal Ring – 07018-20854

For buyers searching by part number or engine application, this page identifies Seal Ring 07018-20854 and the Komatsu compatibility data supplied for it. Review the full list before ordering, especially where model suffixes or combined application codes are shown.

Komatsu Fitment Overview

Catalog data currently associates this product with 13 listed Komatsu engine/application references. Examples include 4D105-3C, 4D105-5H/5J/5T, 4D105-5H/5T, with the complete list provided below.

Compatible Engines / Applications

• 4D105-3C
• 4D105-5H/5J/5T
• 4D105-5H/5T
• 4D130-1 & S4D130-1
• N855-1
• NH220-C1
• NT855-1
• NTA855-1
• S4D105-1 & 2
• S4D105-3
• S4D155-4
• S6D125E-2
• SA6D140E-3 & SDA6D140E-3

Product Details

• Item: Seal Ring
• Part Number: 07018-20854
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 13

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

To reduce returns and fitment errors, verify the exact catalog number 07018-20854 and your complete engine or equipment identification before ordering. Pay particular attention to suffixes and grouped model designations.