Seal Ring – 131-21-43510

This listing is for Seal Ring, part number 131-21-43510, 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 21 listed Komatsu engine/application references. Examples include 4D95L-1AA/1AA-7/1BB/1CC, 4D95L-1FF/GG/W/BW, 4D95L-1K/1L, with the complete list provided below.

Compatible Engines / Applications

• 4D95L-1AA/1AA-7/1BB/1CC
• 4D95L-1FF/GG/W/BW
• 4D95L-1K/1L
• 4D95L-E-2A
• 4D95LE-3-65
• 4D95L-W-1
• 4D95S-1H/1J
• 4D95S-W-1G-E
• 6D95L-1
• 6D95L-1AF-1
• S4D95L-1A/1B/1G
• S4D95L-1K
• S4D95LE-3A-2
• S6D95L-1
• S6D95L-1MM
• S6D95L-1NN/1PP
• SA6D95L-1
• SA6D95L-1AF-1
• SAA4D95LE-3A-4A/W
• SAA4D95LE-5
• SAA4D95LE-6/A/B

Product Details

• Item: Seal Ring
• Part Number: 131-21-43510
• Brand / Application Reference: Komatsu
• Catalog Specification: As stated in the product name
• Listed Applications: 21

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 131-21-43510 and the complete Komatsu engine/application designation before installation.