This is a Genuine Manufacturer Approved replacement part used on specific Bostitch Nailers. This is a Rubber Ring and it is sold individually. O-rings are designed to withstand thousands of pounds of pressure by creating a seal between two or more parts. Over time O-Rings will damage and should be inspected periodically. If parts are showing signs of wear they should be replaced.
Would not move freely visual inspection indicated mushrooming of part
First fail debris in tool
The bumper had disintegrated cleaned and replaced then tool would jam
Tore down entire to find worn part
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Gasket was broken in half when received so I had to use old one.
1 removed O-rings
2 cleaned all parts
3 used air gun oil to lube o-rings
4 replace o-rings
5 used light film of air gun oil to lube where o-ring would be sliding
I had to remove the Finger trigger assembly.
Removed 1 Locking Pin and spring.
Used Small nail and hammer to punch out the Locking pin for the internal spring retainer.
Replaced the O-ring and the Valve Seal.
Reversed Process of taking it apart.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP12475513
Manufacturer Part Number: 86458
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 86458 DeWALT O-RING")
_WW_1.gif "Part Location Diagram of 86458 DeWALT O-RING")
