903/20862 Boom Cylinder Seal Kit for JCB JZ140 JS130LC JS145LC

903/20862 Boom Cylinder Seal Kit – High-Quality Aftermarket Replacement for JCB Excavators

Stop boom leaks and restore smooth, powerful lifting with this premium aftermarket 903/20862 boom cylinder seal kit. Designed as a complete direct replacement for 100mm bore x 75mm rod cylinders (commonly used on the boom of compact excavators), it includes all necessary seals, piston seals, rod wiper, and O-rings to prevent fluid loss, reduce contamination, and maintain reliable performance in demanding digging and lifting applications.

Key Features

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 Equipment Models

Excavators: JZ140, JZ140WM, JZ140HD, JZ140R, JS130LC, JS145LC, JS145HD, JS130 AUTO, JS145 AUTO JCB

Specifications

Part Number	903/20862 (90320862)
Part Type	Boom Cylinder Seal Kit (100mm Bore x 75mm Rod) / Service Kit
Application	Hydraulic Cylinder Rebuild
Brand	WINSCHEN
Country of Origin	China
SKU	JCB-903/20862
MOQ	1 SET
Delivery Time	1-3 business days

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

Related JCB Seal Kit Categories

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