GRACO Piston Seals Kit - (SKU: 258770) likely serving as a clamping

likely serving as a clamping or gripping element in industrial or maintenance equipment

Ideal for vehicle service

Diaphragm pump STEM

but typical GRACO hoppers are constructed from durable plastics or metals for chemical resistance and longevity

More flow per revolution than conventional designs

GRACO Piston Seals Kit - (SKU: 258770) likely serving as a clampingThe GRACO 258770 KIT, PISTON SEALS is an original equipment manufacturer (OEM) part designed to maintain optimal functionality and longevity of GRACO equipment. The kit includes a bidirectional piston seal and a piston wear seal, both essential for preventing leaks and ensuring smooth operation of hydraulic or pneumatic pistons within GRACO systems. Material is not specified, but typical piston seals are made from durable elastomers or engineered