This o-ring is an authentic OEM part specially designed for use with Dewalt and Porter Cable nailers. The purpose of an o-ring is to provide an air tight seal between connected parts. Includes one (1) rubber o-ring per order. To complete this repair you will need a hex key/allen wrench.
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★★★★★
★★★★★
Couldn't have asked for better
The person who helped me with my order was knowledgeable, helpful and knew the product. The parts arrived when promised. Repairing the tool (a finish nailer) was pretty simple and when done, the tool worked like new. From beginning to end I couldn't have asked for a better experience.
Guest - August 10, 2020
Verified Purchase
★★★★★
★★★★★
Easy repair
All parts fit like a glove
Best service place to buy parts !!!
Marcin - October 15, 2020
Verified Purchase
★★★★★
★★★★★
worked good
got here in good time
Joseph - September 5, 2022
Verified Purchase
★★★★★
★★★★★
So easy to find the right part
I got many parts together but it was so easy to find the right parts.
Guest - August 9, 2024
Verified Purchase
★★★★★
★★★★★
Did not need
For my nail gun
Guest - July 28, 2020
Verified Purchase
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1. Removed the 4 mounting screws with an allen wrench.
2. Removed the piston driver assembly and found that the seal was blown and the driver pin was severely bent.
3. Put o-ring on the piston assembly and covered with replacement seal (part that is white plastic)
4. Re-inserted the driver pin through the guide place whi
... Read morele installing the finished assembly.
5. Re positioned the gasket on back and screwed in the cover.
6. Gun now fires like a champ.
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Piston driver assembly snapped, and ring seal broke within cylinder - nailier inoperaboe
1. Using hex wrench, remove cap from nailer
2. Remove cylinder/driver assembly from nailer housing
3. Remove broken driver assembly & seal from cylinder
4. Place new O-Ring (black) around new driver assembly
5. Wrap new seal (white) around new driver assembly
6. Insert new driver assembly/seal into cylinder
<
... Read morebr />7. Insert cylinder/driver assembly into nailer housing
8. Reattach cap using hex wrench.
9. Ensure that driver is aligned within nose assembly
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The piston driver bent and the seal was chewed up.
1. Removed the head of the nailer (4 hex screws).
2. Removed the bent piston driver.
3. Installed the new o-ring and the seal onto the new driver.
4. Reassembled the tool.
1. Removed the four bolts holding on the rear cap.
2. Removed internals.
3. Installed new internals with a light coating of oil.
4. Reinstalled rear cap with new gasket.
Removed the top cap assembly. Then remove the the broken pieces if the driver and piston. Completely cleaned the interior of the gun and oiled it. Put the o-ring on the piston then installed the piston driver assembly. Then installed the top cap.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP10183608
Manufacturer Part Number: 647951-00
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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