Easy
15-30 minutes
Genuine Manufacturer Sourced replacement part designed for use with Porter Cable Nailers/Staplers. This item is made out of Metal has a slit and it is Sold Individually. This part is installed on top of the piston/connecting rod. Its purpose is to create a seal in the cylinder so that it can build pressure. If this part wears your tool will not be able to operate as intended.
Piston Ring 894734
OEM part for: Porter Cable
Part Number: 894734
$9.63
In Stock
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Compatibility
This Piston Ring will fit the following 16 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 16 of 16 matching models.
Porter Cable
Show More Compatible Models16 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Porter Cable
This item works with the following types of products:
- Nailer
- Stapler
Customer Part Reviews ?
Average Rating (out of 5):
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Easy repair
The right part for my nail gun.
Guest -
September 13, 2023
Verified Purchase
Exact Replacement
Easy to install and nail gun worked perfectly.
Guest -
October 15, 2022
Verified Purchase
Incredible
You people are incredible. I ordered this part on Jun 25th. It arrived on Jun 27th. GOOD JOB
Ken -
June 29, 2022
Verified Purchase
Needed part
Thanks
Guest -
July 2, 2021
Verified Purchase
Easy repair
Fit perfectly
Guest -
December 26, 2020
Verified Purchase
Worked great, also CV changed the retainer and oring.worked perfect again easy peasy.
Was the right part worked out great
Guest -
October 12, 2020
Verified Purchase
Air nailer
Having the right parts makes repairs right .
Guest -
September 18, 2020
Verified Purchase
PARTS
have ordered many parts from ereplacement in the past and always happy with their service and quality
Guest -
July 27, 2020
Verified Purchase
great
Part was exact and shipping was fast
Guest -
September 25, 2019
Verified Purchase
Easy repair
Fast and easy received part quickly.
Guest -
January 18, 2021
Verified Purchase
Questions & Answers ?
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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.
Porter Cable Brad Nailer
Stephen - March 1, 2021
👍 1 of 1 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
The nailer was not shooting the nails, so I removed the 4 screws securing the top cover of the nailer to expose the piston and removed the "O" ring and split ring and replaced both with the new ones ordered from Replacement Parts. Replaced the top cover and hooked up the unit to my compressor and I was in business again. It was an easy repair and replacement of parts, and not necessary to buy a new nailer. If you have the same problem I did just take your time, pay attention to where the rings were situated as you take down the internals, replace them and you will be good to go.
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Misfire
STEVE - August 27, 2016
👍 2 of 3 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Parts Used
Remove top cap, remove piston, replace piston ring and reassemble.
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Lost air.
John - September 15, 2023
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Unscrew 4 hex screws and replaced the broken O ring.
Re attached the back cover with the 4 hex screws.
Re attached the back cover with the 4 hex screws.
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Nailer would fire without delivering a nail.
Fernando - May 6, 2023
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, One hex wrench
Parts Used
Removed the rear cover with a hex wrench. Pried out the piston, replaced the gasket. Reassembled and tested the nailer. Elapsed time less than thirty minutes.
Tip: Pay attention to the orientation of the piston rod that drives the brad. The push rod is grooved on one side but not the other.
Tip: Pay attention to the orientation of the piston rod that drives the brad. The push rod is grooved on one side but not the other.
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gasket tore
Eric - September 9, 2021
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
Parts Used
Ereplacementparts are the best. They had all the parts i needed in stock and delivered quickly. So glad i found them
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Air coming out
Art - June 25, 2021
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
, Allen wrench
Parts Used
Parts didn’t work.
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Porter Cable air stapler wouldn't fire a staple.
Gary - May 2, 2021
Tool Type
Stapler
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Parts Used
Porter Cable air stapler wouldn't fire. Removed four allen head bolts to remove cap. Removed old piston ring and replaced with new one. Got new one started in one spot and worked it on little at a time until it was completely on. Replaced cap & worked like a champ.
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Hammer wouldn't return
Michael - October 20, 2019
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Removed the 4 allen screws on the top of the nailer.
Removed the head unit
Removed the hammer assembly
Replaced both O-rings on hammer assembly inner and outer
Replaced outer o- ring on cylinder chamber
Reassembled unit
Removed the head unit
Removed the hammer assembly
Replaced both O-rings on hammer assembly inner and outer
Replaced outer o- ring on cylinder chamber
Reassembled unit
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Hammer wasn't firing or returning
Steve - March 17, 2019
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench
Parts Used
Removed end cap, removed piston. removed old ring. installed new ring. Put back together.
Would have all been easy had i not dropped and lost one of the end cap screws. So now I'm ordering one of those. Doh.
Would have all been easy had i not dropped and lost one of the end cap screws. So now I'm ordering one of those. Doh.
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Porter Cable BN200A Air Nailer, would not fire - massive internal air leak
K - September 7, 2018
👍 1 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Removal of the cap (4 internal hex cap screws) revealed a broken O-ring. There was a gasket under the cap. I ordered the most likely parts to wear or leak. No other tools were required to disassemble enough to replace the piston seal, and another O-ring in the cap. I lubricated the O-rings and piston seal with Vaseline. After reassembly, the nailer performed like new.
Big endorsement for ereplacementparts.com. They had the parts to keep this tool in operation.
Big endorsement for ereplacementparts.com. They had the parts to keep this tool in operation.
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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.
Learn MoreOur 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.
