Easy
30-60 minutes
This part is an OEM from DeWALT. The plastic O-ring has been designed for use with several nailer devices. This item is fitted onto the cylinder, securing the component in the nailer. The O-ring is sold individually. A hex key is often needed for the repair.
O-ring N023140
OEM part for: DeWALT
Part Number: N023140
$9.59
In Stock
Ships within 1 business day 
Jump To:
Frequently Purchased Together ?
Compatibility
This part will fit the following 5 machines
DeWALT
D51825 3 1/2 Framing Nailer View Diagrams & Manuals
D51850 3 1/2 Framing Nailer View Diagrams & Manuals
D51855 Type 1 Coil Framing Nailer View Diagrams & Manuals
D51825 (Type 1) Lawnedger Power Tool View Diagrams & Manuals
D51850 (Type 1) Lawnedger Power Tool View Diagrams & Manuals
This item works with the following types of products:
- Nailer Parts
This part replaces obsolete part #: 641137-00
Customer Part Reviews ?
Average Rating (out of 5):
Click to filter by ratings:
5 stars
0
4 stars
0
3 stars
0
2 stars
1
1 stars
0
< PREV
- 1
Doesn't work! Wrong size
I've ordered the right one accordingly to your parts plan, and the oring is larger than needed. My repair does'nt work! Big disappointment!
iGlobal -
May 18, 2023
Verified Purchase
t
t
t -
t days ago
Verified Purchase
eReplacementParts Team
t
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for O-ring
No questions have been asked yet
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.
DeWalt framing nailer not working.
Oliver - December 2, 2022
Tool Type
Nailer
Difficulty
Easy
Time
30-60 minutes
Tools Used
, Allen key set
Parts Used
Replaced bad trigger assy. but air was bleeding past trigger. So I replaced the upper "O" ring in the barrel and repair was complete.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Leaking air at trigger
Gale - April 14, 2019
Tool Type
Nailer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Impact driver with allen wrenches, clear synthetic grease
Parts Used
1. Dassemble starting with top to bottom of cylinder.
2. Locate and replace failed o rings (or replace all)
3. Cat everything well with clear synthetic grease.
4. Rassemble bottom to top
5. Use a water filter on your hose to nailer
6. Give nailer 2 or 3 shots of pneumatic oil and shoot two or three nails to lubricate nail gun.
7. Lubricate with pneumatic oil before storing.
2. Locate and replace failed o rings (or replace all)
3. Cat everything well with clear synthetic grease.
4. Rassemble bottom to top
5. Use a water filter on your hose to nailer
6. Give nailer 2 or 3 shots of pneumatic oil and shoot two or three nails to lubricate nail gun.
7. Lubricate with pneumatic oil before storing.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Bad orings
Chris - June 6, 2018
Tool Type
Nailer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Adjustable Wrench, Allen sockets and o-ring pick set
Remove nail magazine remove end housings remove trigger assy remove internal parts and lay out in order of removal clean all parts install new o-rings and reassemble in reverse order
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Faulty O Rings
Pete - September 1, 2017
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Removed the screws from the top cap and replaced all of the worn o-rings. Cleaned the internal parts of the gun and oiled it. Then installed the top cap back on. Works like a new nail gun now.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
