Part Location Diagram of MRG039231 DeWALT O-RING, 1.543X.125
See part 9 in the diagram
( Grid squares measure 1x1 inch )

O-RING, 1.543X.125 MRG039231

Manufactured by:
DeWALT
ERP Number:
ERP18993099
Part Number:
MRG039231
Original Equipment Manufacturer ?
$39.45
In Stock
Delivers in 3-5 Business Days!

Easy 

Less than 15 mins 

(3 rated repairs) ?

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Product Description

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An authentic manufacturer sourced replacement o-ring that is specially designed for Bostitch nailers and staplers. This o-ring provides an air-tight seal for the head valve. Over time seals tend to shrink, become brittle and crack allowing eventually requiring replacement. It is made from durable rubber material and it is sold individually.

Troubleshooting

This part works with the following brands:
  • Bostitch
This part works with the following products:
  • Nailer
Part# MRG039231 replaces these:
MRG039231,

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

Less than 15 mins 

(3 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Bumper top and cylinder seal broke

James from Eightmile, Alabama

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Removed the four screws from the top cap
I then removed all of the worn and broken parts
Cleaned the complete gun inside and out
Installed all of the part and oiled the inside of the gun
Installed the top cap
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Air leaking, & wouldnÆt shoot the brad nails.

Byron from Cypress, Texas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
RG183109, MRG039231, T50002
Disassembled the top which was 4 screws, pulled out the broken parts, replace parts purchased from your website and re-assembled. Works wonderfully...
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Nail gun air leak from top

charles from pembroke pines, Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Wrench set
Removed end cap and the worn out parts. Reassembled in reverse order and applied oil.
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  • 1