707-98-12390 Boom Cylinder Seal Kit for Komatsu PC16R PC18MR Mini Excavators

707-98-12390 Boom Cylinder Seal Kit for Komatsu Equipment

Address hydraulic fluid leaks and restore proper boom cylinder pressure with the WINSCHEN 707-98-12390 Seal Kit. Engineered to meet the rigorous operational standards of Komatsu mini excavators, this aftermarket seal kit provides the essential elastomeric components required to fully rebuild and maintain your hydraulic cylinder assemblies.

Key Features

Direct Replacement: Manufactured to precise OEM dimensional tolerances, ensuring a seamless fit and straightforward installation as a direct replacement for Komatsu part number 707-98-12390.
Industrial Durability: Constructed from fluid-resistant polyurethane and high-grade rubber compounds designed to withstand continuous internal friction, high pressure spikes, and environmental contaminants typical in earthmoving applications.
Cost-Effective Maintenance: A highly functional aftermarket alternative that meets original equipment specifications, providing a reliable solution for hydraulic cylinder rebuilding and minimizing routine equipment downtime.

Compatible Equipment Models

Mini Excavators: PC16R-2, PC16R-3, PC16R-3 HS, PC18MR-2, PC18MR-3

Seal Kit Related Parts

Part No	Qty	Parts name
02896-11008	3	O-ring
07000-12055	2	O-ring
07000-12060	1	O-ring
07145-00035	4	Seal, Dust
07146-02056	2	Ring, Back-up
707-35-52560	1	Ring, Back-up
707-39-60190	1	Ring, Wear
707-44-60181	1	Ring, Piston
707-51-35210	1	Packing, Rod
707-56-35740	1	Seal, Dust

Specifications

Part Number	707-98-12390 (7079812390)
Part Type	Boom Cylinder Seal Kit / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	KOM-707-98-12390
MOQ	1 SET
Delivery Time	1-3 business days

To ensure proper fitment, please verify your machine exact model and original hydraulic cylinder configuration with our support team prior to purchasing. We offer fast global shipping to keep your heavy machinery operating efficiently.

Related Komatsu Seal Kit Categories

Browse more Komatsu replacement parts or compare other hydraulic cylinder seal kits. For fitment confirmation, send the OEM part number, machine model through our inquiry form or WhatsApp.