The GRACO 172489 is a cup piston component designed for use in GRACO spray foam and spray application equipment. Its main material is not specified in available listings, but it is a critical wear part that helps maintain proper sealing and pressure within the pump assembly. Key Features: Cup Piston Designed for GRACO spray foam and spray application equipment Essential for maintaining pump sealing and pressure Small, lightweight part (approx. 0.02 lbs) Dimensions: 0.45 x 1.75 x 1.75 inches Applications:Used in GRACO spray foam and spray application systems to ensure reliable pump operation and consistent material delivery. Installation Notes: Using genuine GRACO parts ensures optimal performance, longevity, and safety of the equipment. Replace cup piston as part of regular maintenance or when wear is detected Ensure pump is depressurized and cleaned before installation Follow equipment manual for specific installation procedures Inspect cup piston regularly for wear or damage Use only GRACO-approved replacement parts for compatibility and reliability
