The GRACO 18A417 is a connecting rod and upper piston assembly designed for use in GRACO CS series equipment. Its material is not specified in available sources, but it is engineered for robust performance within GRACO fluid handling systems, specifically as a critical internal component in pumps and transfer equipment. Key Features: Piston, Upper, Connecting Rod GRACO CS series equipment, T3 series transfer pumps (as referenced in GRACO manuals) Critical internal component for reliable pump operation Engineered for durability and long service life Ease of maintenance as a replaceable part Applications:Used in GRACO CS series and T3 series pumps and transfer equipment for fluid handling in industrial, mining, and agricultural applications. Installation Notes: Using genuine GRACO parts ensures optimal performance, safety, and longevity of equipment. Refer to the specific GRACO equipment manual for detailed installation instructions Ensure proper alignment and lubrication during installation Inspect for wear or damage before installation Use appropriate tools and follow safety guidelines