Komatsu Excavator Back-Up Ring 707-35-52640

Komatsu Excavator Back-Up Ring 707-35-52640 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This back-Up Ring is manufactured in Italy in an ISO-certified facility with more than 50 years of production experience and is backed by our Keep Ops Moving™ commitment.

Why buyers choose the 19PARTS KOM line

• Manufactured in Italy for heavy-equipment applications
• Produced in an ISO-certified facility with more than 50 years of manufacturing experience
• Built for dependable performance in Komatsu assemblies
• Supported by 19PARTS and our Keep Ops Moving™ commitment

Fitment hint from source data

Source usage data links this part to Excavator, Dozer applications. Common machine models include: PC10, PC10N, PC12UU, PC20MR, PC20MRX, PC26MR. Reported category/application areas: EXCAVATORS. Reported serial ranges include: 25001-UP, 1001-UP, 3001-UP, 10001-UP (KUC SPEC.), 10001-UP, 15001-UP (CAB SPEC.), 15001-UP (CANOPY SPEC.), F00003 AND UP.

Part information

• Komatsu part number: 707-35-52640
• Alternate search number: 7073552640
• Product type: Back-Up Ring
• Usage-report description: RING,BACK-UP, RING,BACK-UP (K1), RING,BACK-UP (KIT), RING, BACK-UP, RING, BACK-UP, (KIT : K06)

Fitment and verification

Use the model-specific hubs and diagram callouts on our site to verify the correct Komatsu part number, callout location, and serial-range fitment before ordering. The hubs provide the machine-specific authority, while this product page focuses on quality, sourcing, and buying confidence.

Brand and quality

The 19PARTS KOM line is built around practical uptime: quality-focused Komatsu replacement parts, transparent identification, and support for customers who need to keep machines working. For part number 707-35-52640, rely on 19PARTS to help you Keep Ops Moving™.