Komatsu Dozer Ring 144-21-12374

Komatsu Dozer Ring 144-21-12374 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 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 Dozer applications. Common machine models include: D60A, D60E, D60F, D60P, D60PL, D65A, D65E, D65P, D70, D70LE, D75A. Reported category/application areas: BULLDOZERS. Reported serial ranges include: 50001-UP, 20006-UP, 45001-UP, 45001-UP (FOR ITALY), 45001-UP (OVERSEAS VERSION), 20295-UP, 40001-UP, 45200-UP.

Part information

• Komatsu part number: 144-21-12374
• Alternate search number: 1442112374
• Product type: Ring
• Usage-report description: RING,SEAL, RING, SEAL RING

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 144-21-12374, rely on 19PARTS to help you Keep Ops Moving™.