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Piston, Low-pressure 31203940CH $134.88

Rol-Air Pump Parts

Product Details

Found under the following brands: Grip Rite, Master Force, Rol-Air
Part Number: 31203940CH

Description: Low-Pressure (larger) Piston.

The piston is an essential component in a compressor pump. Whether it’s an oil-free or oil-bath design, it creates compression on each stroke. In an oil-free design, a Teflon-coated compression ring provides the seal between it and the cylinder sleeve, thereby creating compression; in an oil-bath design, there are compression rings and an oil-ring, like in an internal combustion engine. Replace if the top of the piston is pitted, cracked or warped.

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This item fits the following models:

Air Compressor Pump Parts - K50, K50HU
Air Compressor Pump Parts - K100


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