This listing is for a set Aftermarket Piston Cup seals and Cylinder Sleeves for the 1/2hp Easy Pro compressor.  This will restore your compressor to working pressures.  99% of the time the cup seal is the culprit for loss of pressure / no bubbles on a diffuser.  Replacing the piston cup corrects this.  The sleeve can wear causing premature failure on the cup seal also so we include a sleeve as well.

Features & Benefits

  • Instructions can be found at http://easypropondproducts.com/media/pdfs/stratus-erp-repair-instructions.pdf
  • Installation video can be found at https://youtu.be/4AI0WLSJLao

This is an aftermaket cup and piston sleeve for the ERP 50 1/2 HP compressor. ERP rocking piston compressors contain these wearable internal components. Like tires on your car, these parts need to be replaced over time.

These will perform identical to the OEM part but cost much less.  These are an exact replacement for your OEM components and are MADE IN THE USA!  NOTE** the sleeve will be silver and the cup seal black as opposed to the tan cup seal and black sleeve.  The Black Teflon cup seals are actually designed to last much longer than traditional Tan colored ones.

We keep product in-stock so we can ship quickly!  Most orders received by 2PM will ship the same day that payment is received.