What exactly does this part do, and is it specific to the Permco 3000 series?
Question by: Freddie M on Mar 22, 2026, 6:10 AM
Seal retainers like this one hold seals in place within hydraulic pump assemblies, keeping everything seated properly under pressure and preventing leakage or seal migration during operation. This part carries the supplier number ZD-0558 and is made by Permco, so yes, it's built for the 3000 series. It's also listed under alternate part number C1DT94 if you're cross-referencing from older documentation or a different supplier catalog.
Answer by: Customer Support on Mar 23, 2026, 10:19 AM