Komatsu Heavy Equipment Piston Ring 707-44-45070

Komatsu Heavy Equipment Piston Ring 707-44-45070 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This piston 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, Dump Truck, Dozer applications. Common machine models include: HM300, HM400, PC09. Reported category/application areas: DUMP TRUCKS, EXCAVATORS. Reported serial ranges include: 3001-UP, 10001-UP, 5001-UP (FOR KAL), 5001-UP, 5129-UP (-40 DEG C SPEC.), 8001-UP, 10001-UP (KUC SPEC.), 10001-UP (KUD SPEC. TIER 2 ENG. INSTALLED).

Part information

• Komatsu part number: 707-44-45070
• Alternate search number: 7074445070
• Product type: Piston Ring
• Usage-report description: RING, PISTON, (KIT : K04), RING, PISTON, RING, PISTON, (KIT : K07), RING, PISTON, (KIT : K09), RING, PISTON, (KIT : K08)

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 707-44-45070, rely on 19PARTS to help you Keep Ops Moving™.