GRACO Retainer, Seal, Piston, HW - (SKU: 18C131)The 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

Ensure proper air supply and filtration to prevent contamination and wear

possibly in sectors like manufacturing

not for gasoline or diesel

aftermarket replacement available as Bedford 2-591

ensuring proper sealing and function within GRACO pumps and spray equipment

Proprietary manufacturing process minimizes wear on displacement rods

Replace valve seats as part of routine maintenance or when leaks are detected

Three-piece threaded design for secure connection

The GRACO 15B317 is a wiper seal designed for use in GRACO equipment

Used in GRACO Thermo and Promelt systems for the transfer of heated materials in industrial and maintenance applications

LED indicators to monitor system status

4D150 diaphragm pumps