GRACO Cup Piston - (SKU: 172489) Follow all safety guidelines and

Follow all safety guidelines and local electrical codes

Inspect O-rings or gaskets for wear and replace if necessary

and spray guns to support fluid flow and structural connections within the equipment

Essential for seamless hose reel operation

designed for secure fastening within GRACO equipment assemblies

GRACO Cup Piston - (SKU: 172489) Follow all safety guidelines andThe 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