Komatsu 421-15-15180 Seal Kit

Komatsu 421-43-05120 421-15-15180 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 Wheel Loaders, commonly referenced for Brake service, catalog references include models such as WA400-1, WA420-1, WA450-1, WA470-1. Always confirm fitment by machine model and serial number before ordering.

Why order this Komatsu seal kit?

• Aftermarket replacement for Komatsu part 421-43-05120
• Built for maintenance, leak repair, and component rebuild service
• Commonly used in Brake rebuild and sealing work
• Supported by WQC Parts fitment assistance

Catalog-referenced applications

• WA400-1
• WA420-1
• WA450-1
• WA470-1

Example serial references: 10001-UP; 10001-UP (OVERSEAS VERSION); A30501-UP (FOR MALAYSIA

If you need help verifying compatibility for Komatsu 421-43-05120, contact WQC Parts with your machine model, serial number, and component location for support.