Gast AF505 ROC Piston 56 at Kinequip is a genuine OEM replacement piston designed for use in compatible Gast rocking piston compressors. This component plays a vital role in the compression process, converting rotary motion into the reciprocating action needed to generate air flow and pressure. Over time, pistons can wear due to heat, friction, or contamination—making timely replacement essential for maintaining performance and extending the life of your compressor.
The AF505 ROC Piston 56 is engineered to meet Gast’s exacting standards for durability and performance. It ensures smooth, efficient operation and helps restore your compressor’s original output. Whether you’re performing a full rebuild or replacing a worn piston, this part is critical for restoring optimal function in compatible Gast units.
Quick Product Highlights
- OEM piston for Gast rocking piston compressors
- Converts rotary motion into reciprocating compression
- Supports consistent air flow and pressure output
- Precision-machined for long-term reliability
- Ideal for rebuilds, repairs, or preventive maintenance
Get your Gast AF505 ROC Piston 56 at Kinequip today.




