SEAL KIT (JCB JC991/10161)

JC991/10161: A damaged seal kit can allow fluid leaks that reduce system pressure and cause erratic operation. JCB is the OE maker for this aftermarket replacement part, cross-referenced as JC991/10161. The seal kit contains multiple sealing elements designed to prevent fluid bypass between moving components. A common failure consequence is gradual loss of actuation force as seals harden or crack over time. During a rebuild, technicians often replace all seals in the assembly to avoid repeat disassembly. Verify the serial number or application, then call (562) 693-7748. Call (562) 693-7748 after checking the serial number or application.

Part number variants: JC991/10161, jc991/10161