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Devilbiss Air Power Piston Ring Set 5140030-51 $19.42

Devilbiss Pump Parts (125psi & 175psi)

Product Details
Devilbiss Air Power
Brand: Devilbiss Air Power
Part Number: 5140030-51

Description:

The piston rings provide compression in an air compressor pump by providing the seal in between the cylinder wall and the piston. In an oil-bath pump, there are usually two compression rings and one oil (scraper) ring to keep oil from passing the piston and into the head. In an oil-free pump, the piston is Teflon-coated and doesn’t require lubrication. If your pump is pulling oil into the head or if compression is very low (oil-bath pumps), replace the rings. If your pump isn’t pressurizing or if the piston ring is damaged along the outer perimeter (oil-free pumps), replace it. Also replace the cylinder sleeve when replacing the compression ring (oil-free pumps).

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This item fits the following models:

Air Compressor Pump Parts - A03155
Air Compressor Pump Parts - 919.167810
Air Compressor Pump Parts - C7550 PUMP (2) - type 2



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