GRACO Piston, 3" RAM Cylinder - (SKU: 617371) The GRACO 189888 is a

The GRACO 189888 is a protective cover designed for the PRO 5500 series spray guns

and air assembly designed for use with Bulldog air motors

torque M12 cap screws to 63–73 N-m (46–54 ft-lb) in a star pattern sequence)

Using genuine GRACO parts like the 25P695 ensures compatibility

and manufacturing where consistent lubrication is critical for equipment longevity and performance

GRACO Piston, 3" RAM Cylinder - (SKU: 617371) The GRACO 189888 is aThe GRACO 617371 is a piston designed for use as a ram cylinder in GRACO equipment, specifically for high pressure lubrication and fluid transfer systems. Its material is not specified in available sources, but it is engineered for robust performance and compatibility with GRACO 3" ram assemblies. The part is intended to facilitate the movement and sealing of fluids within GRACO pumps and lubrication systems. Key Features: Piston (Ram Cylinder) 3" RAM