Your shopping cart is currently empty.
Sign in and join Kleen Rite rewards to earn points and redeem rewards
A new O-ring for regulators, unloaders, and pumps. This O-ring features a durable construction for longevity. It is a trusted factory part from Giant Pumps.
The Giant Pumps 12057 is a replacement O-ring for pressure regulators, unloaders, and pumps. It is a genuine OEM part to ensure it is the correct size for the recommended regulator models. This manufacturer part is made with the same material as the original to ensure a proper fit.