Komatsu Excavator Boom Cylinder Pin 209-72-51161

Komatsu Excavator Boom Cylinder Pin 209-72-51161 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This boom Cylinder Pin 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: PC650, PC650LC, PC650SE, PC710, PC710SE, PC750, PC750LC, PC750SE, PC800, PC800LC, PC800SE, PC850, PC850SE. Reported category/application areas: EXCAVATORS. Reported serial ranges include: 20001-UP, A25001-UP, 10001-UP, 10001-UP (SAA6D140E-3 (TIER 2) ENG. INSTALLED), 20001-UP (OVERSEAS VERSION), K30001-UP, K40001-UP, 10001-UP (FOR NORTH AMERICA).

Part information

• Komatsu part number: 209-72-51161
• Alternate search number: 2097251161
• Product type: Boom Cylinder Pin
• Usage-report description: PIN, PIN, BOOM CYLINDER

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 209-72-51161, rely on 19PARTS to help you Keep Ops Moving™.