Part Location Diagram of 5140036-07 DeWALT O-Ring
See part 8 in the diagram
( Grid squares measure 1x1 inch )

O-Ring 5140036-07

Manufactured by:
DeWALT
ERP Number:
ERP10177324
Part Number:
5140036-07
Original Equipment Manufacturer ?
$6.16
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

A Bit Difficult 

15 - 30 mins 

(1 rated repair) ?

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Troubleshooting

This part works with the following brands:
  • DeWALT
This part works with the following products:
  • Nailer

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.

A Bit Difficult 

15 - 30 mins 

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

Seal had broken, also replaced piston seal to ensure good seal.

Thomas from COSBY, Tennessee

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Parts Used:
5140036-07, 5140036-06
Removed end cap and piston placed new o ring on piston. Cleaned and oiled. Replaced end cap. Test nailer.
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Model Cross Reference

This part works with the following models:
ERP Number: ERP10177324
Manufacturer Part Number: 5140036-07
Brand Model Number Description
DeWALT D51236 Nailer - Nailer
DeWALT D51236K Nailer - 18 Ga 1 1/4" Brad Nailer
DeWALT D51420 Nailer - Stapler
DeWALT D51420K Nailer - 18 Gauge 1" X 1/4" Narrow Crown Stapler