This is an authentic Senco replacement item. It is specially designed for Senco nailers. This is one of the seals for the piston. Over time rubber material will become brittle and crack allowing for air leaks. It is advised to check your seals periodically and replace them if they show signs of wear to ensure top performance. Please note this seal is sold individually. Replacing this seal you will need a hex key/allen wrench and a tool to remove old seal.
Removed the four top cap allen screws, blew all the pieces of old retainer from nailer body, replaced seals and retainer not using any tools, then reassembled nailer.
Using a 5mm hex wrench, remove the four screws from top of the nail gun. Be a little careful, as there is a spring in the assembly that will push the top of the gun off. I used a schematic I printed from the Senco website to identify the broken parts and determine the correct reassembly order. Otherwise, just remove one o-ring or seal at
... Read morea time and replace with the one from the kit. It seems that this kit is designed for multiple tool models so you will have a few parts left over. The challenge in the reassembly was figuring out that large outer seal on the aluminum chamber had to be installed in the gun body and the tube the installed.
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older model senco framing nailer was leaking air and would not fire
removed top section cleaned/wiped piston and housing then lubricated and replaced seals....these parts were hard to find since this was an older model gun, but ereplacement parts had them in stock and they were an exact match
Removed top and bottom caps pulled gun completely down
Ordered gasket set.
Replaced gaskets and reassbled
Still not striking air leak at top. Clynder not returning.
Ordered and replaced midseal and bump stop
Still leaking at top.
Order top seal and trigger cage and replaced.
Works like new.
Put the new seal in tightened cap back down and hooked it up to air and tried it. Worked great!
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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.
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_WW_1.gif "Part Location Diagram of BF0212 Senco Seal")
_WW_1.gif "Part Location Diagram of BF0212 Senco Seal")
