Description
Overview:
This non-genuine Seal Kit is a replacement for JCB wheeled loaders and selected excavators, engineered to help restore and maintain hydraulic system integrity. It replaces OEM reference 991/20023 and is compatible with popular machines such as the JCB 406 and 407. The kit contains a matched selection of seals sized for the intended application, using high-grade, oil-resistant elastomers and durable polymer elements to cope with hydraulic pressure, heat, and contamination. It is designed to help prevent leaks at rods, pistons, and gland areas, supporting reliable lift, tilt, and steering performance. Suitable for workshop overhauls and routine maintenance, this kit provides a practical, cost-effective way to keep your machine operating efficiently without the expense of a genuine assembly.
Key Features:
- Non-genuine replacement compatible with OEM No. 991/20023
- Comprehensive mix of seals for hydraulic cylinders and related components
- Oil- and abrasion-resistant compounds for dependable service life
- Helps prevent fluid leaks and maintain system pressure
- Supports smoother ram operation and consistent machine response
- Suitable for regular maintenance or full cylinder rebuilds
- Dimensions compatible with the intended OEM application for a straightforward fit
- Can be installed with standard workshop tools and practices
- Suitable for JCB wheeled loaders and selected excavators listed
- Practical alternative to buying individual seals separately
Typical Applications:
Used during cylinder strip-downs to reseal lift, tilt, and steering rams on wheeled loaders, and comparable functions on compatible excavators. Ideal after signs of oil weep, pressure loss, sluggish movement, or routine service intervals. Suitable for planned maintenance, workshop rebuilds, or field repairs to minimise downtime and restore reliable hydraulic performance.
Also known as:
Hydraulic cylinder seal kit, ram seal kit, piston and rod seal set, cylinder overhaul seal pack, loader ram seals, boom cylinder seal set, hydraulic service kit for JCB, hydraulic rebuild seal assortment.
Fits Models:
JCB 406
JCB 407
JCB 409
JCB 412
JCB JS30
JCB HD110WT SV
JCB HYDRADIG 110 TRIPLE ARTICULATED BOOM TIER 4
JCB HYDRADIG WASTEMASTER T4 FINAL
Alternate Part Numbers:
991/20023
Product Specifications
| L&S Part No. | 831 596 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Excavators, Loaders |
| Key Features | - Compatible with JCB models 406, 407, 409, 412 - Replaces OEM part number 991/20023 - Oil-resistant elastomers for hydraulic pressure resilience - Prevents leaks in rods, pistons, and gland areas - Suitable for routine maintenance and full cylinder rebuilds |
