The GRACO 18C891 is a piston designed for the seal housing assembly in GRACO PowerFill 3.5 Standard, Pro, XL Pro, and other compatible equipment. It is a critical component that ensures proper sealing and smooth operation of the piston within the pump assembly. Material is not specified in available sources.

Key Features:

• Piston, Seal Housing
• 18C891
• GRACO PowerFill 3.5 Standard, Pro, XL Pro, and others (check manual for specific models)
• Critical for proper sealing and smooth piston operation
• Designed for reliable performance in demanding lubrication and maintenance applications

Applications:
Used in GRACO PowerFill and compatible lubrication systems for industrial and maintenance applications, including mining and agriculture.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment.
• Refer to the GRACO equipment manual for specific installation instructions
• Ensure proper alignment of the piston within the seal housing during assembly
• Regularly inspect and replace worn or damaged pistons to maintain system integrity
• Regular inspection for wear and damage
• Use only genuine GRACO replacement parts for repairs
• Follow manufacturer-recommended maintenance schedules