Komatsu 21K-63-05030 Service Kit, Arm Cylinder

Komatsu 21K-63-05030 Service Kit, Arm Cylinder is an aftermarket replacement referenced to Komatsu part number 21K-63-05030 (21K6305030), built for demanding heavy equipment maintenance and repair.

Based on the current service kit catalog, this SKU is associated with cylinder and arm service applications on PC150-1, PC150LC-1 machines. Always confirm fitment by machine model and serial range before ordering.

Why order this Komatsu arm cylinder service kit?

• References Komatsu part number 21K-63-05030
• High-quality aftermarket replacement for heavy equipment service
• Catalog-referenced for cylinder and arm applications
• Fast shipping from U.S. inventory
• Backed by our Same-As-OEM warranty

Catalog-referenced applications for 21K-63-05030

• PC150-1 — 1001-UP — Cylinder and Arm
• PC150LC-1 — 1001-UP — Cylinder and Arm

If you need help verifying compatibility for Komatsu 21K-63-05030, contact our parts specialists with your machine model and serial number for cross-reference support.