This is an authentic manufacturer sourced replacement part designed for use with Senco nailers. This is the seals for the firing valve. Over time it will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of rubber material and it is sold individually. Replacing this item you would need hex key/allen wrench and pliers to replace this item.
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★★★★★
★★★★★
Worked as expected
Easy to locate in schematic. Quickly received!
Guest - June 5, 2019
Verified Purchase
★★★★★
★★★★★
Replaced old deteriorated seal
Fast shipping. Thanks for being here cause I would not have found this part without ereplacementparts. The seal was a perfect replacement.
Chris - July 4, 2019
Verified Purchase
★★★★★
★★★★★
Senco FinishPro 35 Nailer
Ordered seal replaced it in my tool and it worked great. Instructions were easy to follow. I would recommend EreplacementParts.com to everyone.
Guest - August 26, 2019
Verified Purchase
★★★★★
★★★★★
Worked like new
Fast shipping and exact fit. Also good quality part. Thanks.
Guest - October 8, 2019
Verified Purchase
★★★★★
★★★★★
nail gun will not cycle
Was not sure what the part was, but after looking at the prints on your web site I found what I needed. Part arrived quickly and was the right part. Gun now works correctly. Thanks
Guest - October 25, 2019
Verified Purchase
★★★★★
★★★★★
Great
On time and work great
Guest - January 31, 2020
Verified Purchase
★★★★★
★★★★★
seals that repair
Got my second order from them in a timely manner and all is well. My senco now working as it should...
Guest - September 24, 2020
Verified Purchase
★★★★★
★★★★★
Old made new
The parts were correct for my 15 yr. old nail gun, they fit properly and the nail gun is like new. Great service.
Guest - June 17, 2021
Verified Purchase
★★★★★
★★★★★
Senco nailer started leaking air from the stop, so I ordered this part
Part came quickly, was exact replacement part and worked perfectly. Thanks
Guest - June 21, 2021
Verified Purchase
★★★★★
★★★★★
Senco nail gun repair
Part wad the exact one I needed for my old senco finish pro. The gun sounds and works like a brand new one. They had the best price for the part, too.
Guest - June 24, 2022
Verified Purchase
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Nothing special, My gun was a pro 450 roofing gun and air was coming out of it. The ram would also not retract. I took off the back removed the seal replaced it and installed the back on and tighten the four allen bolts. Works like a charm and the service was great and fast.
1. I had never disassembled a nailer before. I looked up my specific finish nailer on erplacementparts.com and referenced a schematic drawing of the equipment.
2. Removed the end cap with Allen wrenches supplied in the original tool case and partially disassembled the nailer.
3. Performed the visual inspection of all the seals
... Read more and the retainers. Identified two seals and one retainer that was made of a material that was different than the existing o-rings material. The failed seals and retainer were cracked and very brittle. The problem was obvious.
4. Identified parts per the drawing and ordered replacements as identified by part number.
5. Reassembled and the nailer is working like new. :)
Note: As I mentioned I had never worked on a nailer before. After completion of the repair, if I have to repair in the future I would say the Difficulty would be Easy and I could probably perform the repair in less than 30 minutes.
Disassemble the back all the way to get cylinder and piston out.
Replaced gaskets and O rings put all back together and Voile!!! Shooting nails like brand new!!
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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