GRACO Retainer, Seal, Piston, HW - (SKU: 18C131) but it is typically a

but it is typically a durable metal such as steel

Ensure all components are present before starting repair

Durable in demanding environments

Align the cover with mounting points and secure with appropriate fasteners

GRACO Retainer, Seal, Piston, HW - (SKU: 18C131) but it is typically aThe GRACO 18C131 is a retainer, seal, and piston assembly designed for use in GRACO fluid handling equipment. It is a genuine OEM part intended to ensure proper sealing and piston operation within the system. The material is not explicitly specified in available listings, but similar GRACO piston retainers are typically made from durable engineering plastics or metals for longevity and reliability. Its primary function is to maintain the integrity of