The GRACO 188613 is a piston bearing made of durable acetal plastic, designed for use within Husky air-operated diaphragm pumps. It functions as a critical internal component, ensuring smooth piston movement and reducing friction during pump operation.

Key Features:

• Piston Bearing
• Fits Husky 1040, 1590, 2150 Pumps
• Acetal Plastic
• Husky 1040, 1590, 2150 Air-Operated Diaphragm Pumps
• Durable acetal plastic construction for longevity
• Designed for smooth piston movement and reduced friction
• Standard finish: zinc plated (where applicable)
• Lightweight and compact design

Applications:
Used in air-operated diaphragm pumps for fluid transfer and spray applications in industrial, agricultural, and maintenance settings.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with Husky pumps, reducing downtime and maintenance costs.
• Ensure pump is depressurized and disconnected from air supply before installation
• Inspect bearing and piston for wear or damage prior to installation
• Follow manufacturer’s guidelines for proper alignment and seating of the bearing
• Regularly check and replace worn bearings as part of routine maintenance