This genuine manufacturer sourced replacement piston stop is specially produced for Porter Cable nailers. This part acts as a cushion when the driver retracts back into the cylinder after being fired. Because this part gets so much abuse, over time it will break apart. Please note, this plastic piston stop is sold individually. To complete this repair you will need a hex key/allen wrench. • Remove the end cap • Remove the old stopper • Secure the new stopper • Reassemble and test the nailer
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★★★★★
★★★★★
Repair work
Fixing n80sb-1 nail gun. When you open a nail gun up for repair take the thing apart. I saw the first thing was the cylinder seal was shot and stopped bought a ring kit. Got it installed. Gun didn't work. Took it back apart. Piston stop came out in a hundred pieces. So had to order the piston stop separate. Good price and service. Gun up and running perfect wasted a week not checking everything.
Bill - May 27, 2019
Verified Purchase
★★★★★
★★★★★
Right part and on time
Good parts breakdown and identification ordered and received on time
Guest - August 16, 2021
Verified Purchase
★★★★★
★★★★★
Stanley N80SB-1 Stick Nailer
Arrived quickly and in excellent shape. Took about 15 minutes to make the repair and get the gun working again.
On a related note, EReplacementParts is my go to source for fixing my 20 year old Ryobi weed wacker, 14 year old Honda mower and 10 year old Echo chain saw! Amazing they have this capability!
Tom - November 4, 2020
Verified Purchase
★★★★★
★★★★★
part came as promised. was correct.
Needed parts for nail gun. perfect fit. gun is working fine once again.
Guest - November 26, 2020
Verified Purchase
Questions & Answers
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Remove the top of the nail gun, and found that the piston stop was broken. I made sure that I was able to find all of the broken pieces and clean out the inside of the gun. I then replaced the broken piston stop and oiled the internal parts, then replaced the top cap of the nail gun. And now it works like it was new again.
VERY SIMPLE REPAIR. THE HARDEST PART WAS CLEANING ALL OF THE SMALL PIECES OF PLASTIC FROM THE OLD PISTON STOP.
REMOVED THE FOUR SCREWS HOLDING DOWN THE BACK COVER OF THE NAILER.
LIFTED OUT HEAD VALVE AND COMPRESSION SPRING TO ACCESS THE PISTON STOP.
REMOVED THE OLD PISTON STOP AND RING,BUMPER AND CLEANED COVER.
... Read more>INSTALLED THE NEW RING,BUMPER, NEW PISTON STOP, OLD COMPRESSION SPRING AND HEAD VALVE.
ADDED A LITTLE OIL AND REATTACHED COVER.
Removed four screws holding the top cap on
Removed the old seal and the piston stop
Cleaned the interior of the nail gun
Installed and oil the new parts
Replaced the top cap
Removed the top cap of the nail gun.
Removed all of the worn and broken parts
Completely cleaned the internal parts and oiled them
Replace the top cap of the nail gun
1. Removed the piston head.
2. Pulled the piston and the cylinder.
3. Removed all deteriorated o-rings and piton stops.
4. Installed all required o-rings and the piston stop.
5. Installed the new head gasket.
6. Replaced the piston head and torque screws to 15 in lbs.
7. Plugged air and it worked like n
... Read moreew again.
Removed the top of the nailer. The piston stop is located in the top cap. Replaced the piston top and screwed the top back on with an allen wrench. Used the EReplacement diagram on line for the correct order to replace the parts. The new piston stop looked slightly different from the original version but worked just fine after installatio
... Read moren.
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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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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.
