The GRACO 557373 Fill Stud Dust Cap is a protective accessory designed to cover the fill stud on Lube Master® pump packages. Its primary function is to prevent dust, debris, and contaminants from entering the fill stud port, thereby maintaining system cleanliness and reliability. The material is not explicitly specified in available sources, but similar dust caps are typically made from durable plastic or rubber.

Key Features:

• Dust cap/accessory
• Lube Master® pump packages
• Protects fill stud from dust and debris
• Helps maintain system cleanliness
• Simple, reliable design for easy maintenance

Applications:
Used with GRACO Lube Master® pump packages in lubrication systems for industrial, mining, agricultural, and maintenance applications.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability, reducing the risk of contamination and equipment failure.
• Ensure the fill stud port is clean before installing the dust cap
• Inspect the dust cap regularly for wear or damage and replace as needed
• Store spare dust caps in a clean, dry environment