Genuine Manufacturer Sourced replacement part designed for use with Porter Cable Nailers/Staplers. This item is made out of Metal has a slit and it is Sold Individually. This part is installed on top of the piston/connecting rod. Its purpose is to create a seal in the cylinder so that it can build pressure. If this part wears your tool will not be able to operate as intended.
Removal of the cap (4 internal hex cap screws) revealed a broken O-ring. There was a gasket under the cap. I ordered the most likely parts to wear or leak. No other tools were required to disassemble enough to replace the piston seal, and another O-ring in the cap. I lubricated the O-rings and piston seal with Vaseline. After reassembly,
... Read morethe nailer performed like new.
Big endorsement for ereplacementparts.com. They had the parts to keep this tool in operation.
The nailer was not shooting the nails, so I removed the 4 screws securing the top cover of the nailer to expose the piston and removed the \"O\" ring and split ring and replaced both with the new ones ordered from Replacement Parts. Replaced the top cover and hooked up the unit to my compressor and I was in business again. It was an easy
... Read morerepair and replacement of parts, and not necessary to buy a new nailer. If you have the same problem I did just take your time, pay attention to where the rings were situated as you take down the internals, replace them and you will be good to go.
Porter Cable air stapler wouldn\'t fire. Removed four allen head bolts to remove cap. Removed old piston ring and replaced with new one. Got new one started in one spot and worked it on little at a time until it was completely on. Replaced cap & worked like a champ.
Removed the rear cover with a hex wrench. Pried out the piston, replaced the gasket. Reassembled and tested the nailer. Elapsed time less than thirty minutes.
Tip: Pay attention to the orientation of the piston rod that drives the brad. The push rod is grooved on one side but not the other.
Removed 4 screws on top of air gun and slid out piston
Replaced ring and reassembled air gun
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Stock Status
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
