Genuine OEM replacement part, this item is sold individually.
The purpose of this part is to keep air pressure in the cylinder of the tools listed below.
If you have an air leak in your pneumatic tool it is a good practice to replace the O-ring and seals.
Piston Ring N905972
OEM part for: Bostitch, Porter Cable, DeWALT
Part Number: N905972
Jump To:
Product Description ?
- Classification: Part
- Weight: 0.01 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 25 machines
Bostitch
Porter Cable
DeWALT
This item works with the following types of products:
- Nailer Parts
- Stapler Parts
This part replaces obsolete part #: 180457
Repair Videos ?
Step-by-step instructions for removing and installing the piston ring on your DeWALT brad nailer. ...
July 30, 2018
|
Customer Part Reviews ?
- 1
- 2
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 Piston Ring
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.
Striker wouldn't retract all the time
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, 3 mm Allen wrench
Parts Used
2. Removed striker from piston
3. Replaced piston ring
4. Reassembled brad nailer.
Watched a video on You Tube regarding brad nailer failure. Disassembly and repair was super easy and my part failure was the one listed on eReplacementParts.com website as the most common cause of the tool's symptom. Very helpful.
Driver won't return
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Parts Used
Pulled out the cylinder sleeve.
Pushed out the piston drive.
Removed and replaced the piston ring.
Assembled the nailer.
Tested the nailer - tested OK.
Driver wouldn't rebound/reset behind nail head. Thus, it wouldn't set/shoot
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Allen wrench
Piston driver small tip becomes bent or chipped
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Hex Driver
Parts Used
would not fire brads
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, allen / hex wrench
Parts Used
removed plunger and gasket
removed damaged piston ring
installed new piston ring - snaps into groove
lubricated piston chamber and set plunger assembly back into chamber
re installed gasket and mechanical screws in piston chamber
would not set nails
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Rod would not return after firing
Tool Type
Nailer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Pliers, Hex key wrench
Parts Used
2. Remove piston noting driver orientation
3. Remove old piston ring and broken pieces
4. Carefully install new piston ring on piston
5. Lightly lubricant new piston ring
6. Re-install piston into cylinder
7. Re-install top of cylinder
8. Tighten 4 screws
9. Test operation
Plunger wouldn't return
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
, Allen set
Parts Used
Old ring was cracked
Tool Type
Stapler
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Parts Used
Wouldn't eject nail
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Replaced O-ring and piston ring and worked great!
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.