Komatsu 707-99-72080 Hydraulic Arm Cylinder Seal Kit

Komatsu 707-99-72080 Hydraulic Arm Cylinder Seal Kit is an aftermarket replacement designed for Komatsu equipment service and rebuild work. This seal kit helps restore sealing performance in hydraulic and related machine components to support reliable operation and reduce leakage.

Based on the current Komatsu books data, this part is used in Excavators, commonly referenced for Cylinder | Arm, Cylinder, Work Equipment | Cylinder | Arm service, catalog references include models such as PC300-8M0, PC360LC-10, PC360NLC-10, PC390LC-10, PC390LL-10 A50601 & UP. Always confirm fitment by machine model and serial number before ordering.

Why order this Komatsu seal kit?

• Aftermarket replacement for Komatsu part 707-99-72080
• Built for maintenance, leak repair, and component rebuild service
• Commonly used in Cylinder | Arm, Cylinder, Work Equipment | Cylinder | Arm rebuild and sealing work
• Supported by WQParts fitment assistance

Catalog-referenced applications

• PC300-8M0
• PC360LC-10
• PC360NLC-10
• PC390LC-10
• PC390LL-10 A50601 & UP

Example serial references: J40001-UP; 70001-UP; A32001-UP

If you need help verifying compatibility for Komatsu 707-99-72080, contact WQParts with your machine model, serial number, and component location for support.