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You Are Here: Front Page » Air Compressor Parts: Belts, Filters, Regulators & More » Coleman Powermate Air Compressor Parts | Master Tool Repair » Coleman Sanborn Portable Air Compressor Parts » Oil Free Pumps » Piston Ring PID: 41447 MASTERTOOLREPAIR.COM

Piston Ring

Coleman Sanborn Oil-Free Pumps Parts

Product Details

Found under the following brands: Southland, Coleman Powermate Sanborn

Obsolete, no replacement, none in stock

Description: Only available in Piston/Cylinder Assembly # 048-0131 (now E103495).

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).


 

This item fits the following models:

Coleman Powermate Parts - 040-0420 Pump

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