This is a genuine manufacturer approved replacement o-ring used on Porter Cable nailers/staplers. O-rings are designed to withstand high pressure by creating a seal between two connected parts. Over time o-rings will damage and should be inspected periodically. If parts are showing signs of wear they should be replaced. This is a rubber o-ring and it is sold individually.
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★★★★★
★★★★★
It was easy and correct
O
Guest - April 22, 2019
Verified Purchase
★★★★★
★★★★★
Exact fit and easy to install, this o-ring stopped the air leak on my P/C stapler. Parts are going to age and wear and it’s good to be able to get replacements.
Came well packaged in the mail with no issues.
Guest - August 11, 2019
Verified Purchase
★★★★★
★★★★★
Fix my nail gun with this part .
Very easy to order and came short time fit perfict.
William - October 18, 2019
Verified Purchase
★★★★★
★★★★★
Worked as expectec.
Fit perfecly.
Guest - September 9, 2020
Verified Purchase
★★★★★
★★★★★
just what I needed !
This O-ring was perfect, it fir in the nail gun and it works perfectly.
Guest - February 12, 2021
Verified Purchase
★★★★★
★★★★★
Thanks
I was able to find the right part (with updated part number) to fix my air stapler. The part was exactly what i needed and im good to go. Thanks
Guest - March 14, 2023
Verified Purchase
★★★★★
★★★★★
Repair easy fixed one problem but another problem occurred get to costly to order parts one at a time
Part received arrived on time and in great condition
Guest - April 22, 2020
Verified Purchase
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Remove the four screws holding the cap on and remove the cap
Remove the worn o-ring and replace it with the new one
Clean out the internal parts of the gun and oil it
Install the cap with the four screws
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P-C brad nailer (BN200 Type 1) would not reset the plunger,
P-C brad nailer (BN200 Type 1) would not reset the nail plunger, the o-ring was part of the problem.
1. Removed the black top of nail gun using supplied Allen/hex tool.
2. Removed valve disk with damaged clear/white o-ring. It is either on the nail plunger or in the black top.
3. Valve spring was clogged with debris
... Read morefrom failed o-ring, cleaned and re-seated.
4. This did not solve problem, disassembled unit again, cleaned exit air vent (on the black nailer top, with a toothpick and compressed air also cleaned the air path under valve disk. Seemed the exit air vent had debris and dust/gum build up from using pneumatic oil.
5. Reassembled and did limited testing. More testing to follow. So far so good.
6. While it took 2 hours, if I did the full cleaning the first time - the entire repair would have been less than 30 minutes.
I broke nailer down completely and reinstalled all new parts..You make it very easy for repair..All your parts are clearly marked for ease of replacement..Thanks for all you do..Rich Lincoln Ca
I took the unit apart at the cylinder and replaced an O ring . The repair was easy. The piston came apart just after unscrewing four screws.
The item that I replaced was not enough to make the nailer work and I chose to forgo any further repairs. I purchased a new nailer.
1. Remove top cap from Porter Cable BN125 brad nailer by removing four allen screws.
2. Clean interior thoroughly.
3. Install part #103 o-ring and part # 104 seal.
4. Re-assemble and replace top cap and four allen screws,
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Model Cross Reference
This part works with the following models:
ERP Number: ERP18981504
Manufacturer Part Number: 5140027-36
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.
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