Komatsu Heavy Equipment Gasket 707-51-40640

Komatsu Heavy Equipment Gasket 707-51-40640 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This gasket 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, Wheel Loader, Dozer applications. Common machine models include: D31EX, D31PX, D37EX, D37PX, D39EX, D39PX, WA200, WA200PT, WA250, WA250PT, WA250PZ, WA300, WA300L, WA320. Reported category/application areas: BULLDOZERS, WHEEL LOADERS, EXCAVATORS. Reported serial ranges include: 60001-UP, 50501-UP, 50501-UP (OVERSEAS VERSION), 60001-UP (EU SPEC.), 5501-UP (OVERSEAS VERSION), 5501-UP, 3001-UP, H50001 - UP.

Part information

• Komatsu part number: 707-51-40640
• Alternate search number: 7075140640
• Product type: Gasket
• Usage-report description: RING, BUFFER, (KIT : K04), RING, BUFFER, (KIT : K02), RING,BUFFER (KIT), RING, BUFFER, (KIT : K07), RING, BUFFER, (KIT : K03)

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 707-51-40640, rely on 19PARTS to help you Keep Ops Moving™.