The GRACO 804415 Piston is a replacement piston designed for use in GRACO pressure washers and airless paint sprayers. Its material is not explicitly specified, but it is engineered for durability and reliable performance within GRACO equipment. The piston is intended to ensure proper fluid transfer and pressure maintenance in compatible GRACO systems.

Key Features:

• Piston
• 804415
• GRACO pressure washers (models 3030, 3340, 3540), and airless paint sprayers
• Engineered for reliable performance
• Designed for easy replacement and maintenance
• Compact and lightweight (approx. 0.05–0.10 lbs, dimensions: 1.3 x 1.8 x 1.7 in)

Applications:
Used in GRACO pressure washers and airless paint sprayers for fluid transfer and pressure maintenance.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, longevity, and safety of the equipment.
• Always power off and depressurize equipment before installation
• Follow manufacturer guidelines for piston replacement
• Inspect related components (seals, packings) for wear during replacement
• Regularly inspect pistons for wear or damage
• Replace pistons as part of routine maintenance to prevent equipment failure
• Use only GRACO-approved replacement parts