Komatsu Excavator Ring Back-Up 707-35-91050

Komatsu Excavator Ring Back-Up 707-35-91050 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This ring Back-Up 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: PC130F, PC60, PC70, PC75UD, PC75US, PC75UU, PC78MR, PC78US, PC88MR, PW98MR. Reported category/application areas: EXCAVATORS. Reported serial ranges include: J10001-UP, 45001-UP (FOR CHINA), 45001-UP (WITH FRONT BLADE SPEC.), 45001-UP, 15001-UP, 16307-UP, 1001-UP (FOR EU), 1001-UP (FOR NORTH AMERICA).

Part information

• Komatsu part number: 707-35-91050
• Alternate search number: 7073591050
• Product type: Ring Back-Up
• Usage-report description: RING BACK-UP (KIT), RING,BACK-UP (KIT), RING, BACK-UP, (KIT : K05), 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 707-35-91050, rely on 19PARTS to help you Keep Ops Moving™.