Description
The GRACO 15G478 BUMPER, PISTON is a spare part designed for use in GRACO airless spray equipment. It functions as a bumper for the piston assembly, helping to absorb shock and reduce wear within the pump mechanism. The material is not specified in available sources, but it is intended for professional use in high-performance spray systems.
Key Features:
- Piston bumper
- Compatible with select GRACO airless spray pumps and air motors (e.g., referenced in XL 6500, 3400 Air Motors, and Contractor King Spray Packages)
- Shock absorption for piston assembly
- Designed for reliability and extended equipment life
- Ease of maintenance as a replaceable spare part
Applications:
Used in GRACO airless spray equipment for professional coating and sealing applications, including industrial, commercial, and agricultural environments.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
- Refer to the specific GRACO equipment manual for installation instructions
- Ensure proper alignment and fit during installation
- Regularly inspect and replace worn bumpers to maintain equipment efficiency






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