Komatsu Heavy Equipment Step Seal 721-47-12021

Komatsu Heavy Equipment Step Seal 721-47-12021 is part of the 19PARTS KOM line, developed for demanding heavy-equipment service where dependable fit, durability, and day-to-day uptime matter. This step Seal 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, Dump Truck, Motor Grader, Dozer applications. Common machine models include: PC3000, GD675, GD705, GD755, HM250, HM300, HM350, HM400, WA500, WA1200, WA150, WA180, WA200, WA250PT. Reported category/application areas: EXCAVATORS KMG, GRADERS, DUMP TRUCKS, WHEEL LOADERS. Reported serial ranges include: 46237, 46239, 60001-UP, 26001-UP, 10001-UP, 2001-UP, 2785-UP, A11001 AND UP. Related or analog part numbers from source data: 7214712020.

Part information

• Komatsu part number: 721-47-12021
• Alternate search number: 7214712021
• Product type: Step Seal
• Usage-report description: SEAL, STEP, SEAL, STEP, SEAL,STEP, 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 721-47-12021, rely on 19PARTS to help you Keep Ops Moving™.