813/50012 Brake Piston Seal For JCB

The part number 813/50012 is a Brake Piston Seal used in the rear axle assembly of JCB heavy machinery. It is a flat rubber sealing ring designed to prevent hydraulic fluid leaks and maintain the necessary pressure inside the wet braking system.

Common Dimensions: Approximately 150 mm x 4.2 mm x 3.2 mm

Paired Components: During a brake overhaul, it is frequently replaced alongside a smaller companion seal (813/50026) and wet brake friction discs (such as 458/20353).

This part is widely used across the axle assemblies of JCB Backhoe Loaders (3CX / 4CX), particularly within specific build series like Project 9 and Project 12. Common compatible models include:

Backhoe Loaders: 3C, 3CX, 3D, 3DX, 4C, 4CX

North American Variants: 214, 215, 216, 217

Legacy Models: 1400B, 1550B, 1600B, 1700B

813/50012 Brake Piston Seal For JCB

813/50012 Brake Piston Seal