This is an original replacement part manufactured for Bostitch stick nailers. The rubber bumper sits below the cylinder and acts as a cushion when the piston fires. Over time the bumpers can wear out from normal use, it is recommended to replace worn bumpers. There are two pieces that make up the bumper, and they are sold individually.
Troubleshooting
This part works with the following brands:
Bostitch
DeWALT
This part works with the following products:
Nailer
Part# N70157 replaces these:
N70157,
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Removed the top cap from the gun
Removed the driver
Removed the cylinder
Removed the worn and broken bumpers
Cleaned out the interior of the gun
Installed the bumpers
Replaced the cylinder and driver
Oiled the interior of the gun
Replaced the top cap
Remove the top cap
Remove the driver and piston
Remove the cylinder
Remove the bumper A
Remove the bumper B
Remove the driver guide
Clean complete tool and oil parts
Assemble in reverse order
Install the new rubber washer
Removed the screws from the top cap and started inspecting the internal parts . I found that bumper \"B\" was cracked and hardened. I installed the new one , then cleaned the gun inside and out and then assembled it. It works great now. Thank you.
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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.
