707-99-37230 Boom Cylinder Seal Kit for Komatsu PC128US-2 PC130-6 PC138US-2

707-99-37230 Boom Cylinder Seal Kit – High-Quality Aftermarket Replacement for Komatsu Excavators

Restore smooth boom operation and stop hydraulic leaks with this premium aftermarket 707-99-37230 boom cylinder seal kit. Designed as a complete direct replacement for 70mm rod x 105mm bore cylinders (commonly used on the boom), it includes all necessary seals, U-cups, wiper, and O-rings to prevent fluid loss, reduce contamination, and maintain reliable performance in demanding digging applications.

Key Benefits for Contractors and Operators

• Stops Hydraulic Leaks: High-quality seals and wiper effectively contain fluid and block contaminants.
• Direct Fit Installation: Complete kit matches OEM dimensions for quick, hassle-free repair – minimize machine downtime.
• Built Tough for Heavy Duty Use: Durable materials resist high pressure, heat, and abrasive conditions on job sites.
• Cost-Effective Alternative: OEM-level performance at aftermarket pricing – ideal for routine maintenance and fleet repairs.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Komatsu Models

This boom cylinder seal kit is commonly used for models including (verify your machine’s parts manual for exact fit):

• Excavators: PC128US-2, PC130-6, PC138US-2, PC138USLC-2

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.