O.Ring Seal – 3630740

Looking up the correct o.ring seal starts with the exact catalog number. This product is listed as 3630740 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 2 listed Komatsu engine/application references. Examples include S6D108-1, SA6D108-1.

Compatible Engines / Applications

• S6D108-1
• SA6D108-1

Product Details

• Item: O.Ring Seal
• Part Number: 3630740
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 2

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

Fitment should be confirmed before purchase. Match part number 3630740 first, then compare the complete engine/application code to your equipment or service documentation. Contact your parts source for verification when the original number is unavailable.