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Air Pump Piston , Pneumatic Piston  55mm 55 Piston   for Air Compressors Pumps

<ul><li>The function of the piston is to maintain the air tightness between the piston and the cylinder wall</li><li>With standard inner and outer diameter size, it is convenient to install and disassemble</li><li>The has no casting defects such as cracks, pores, looseness, etc., ensuring tight connection</li><li>The kit contains 3 replacement piston rings, which can replace the old or damaged ones on the air pump at any time</li></ul>

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Specification: Item Type: Air Compressor Piston Model: 55 Piston Drive Mode: Pneumatic Piston Outer Diameter: 58mm / 2.3in Piston Inner Diameter: 52mm / 2in Applicable Models: Approx. 55mm / 2.2in cylinder diameter 1P/2.5P/3P/4P/5P for Outstanding/ air compressor air pump accessories Package List: 3 x Air Compressor Piston Note: The number 55 means that the cylinder diameter is 55mm.

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