AR 503 Diaphragm Kit, AR43295

SKU AR43295

Part # AR43295 is the diaphragm rebuild kit for the AR 503 diaphragm pump. AR recommends changing the diaphragms every 500 hours or three months, whichever comes first.

Part# AR43295 will also rebuild the Hypro D503 pump. 

When rebuilding the pump diaphragms follow all factory torque specifications.  Replacing diaphragms will require new oil. Replace with 30 weight non-detergent.

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