Easy
15-30 minutes
This is a high-quality component which is designed for use with Porter Cable nailers and staplers. It is supplied from the original equipment manufacturer. The housing cap is secured in the back of a nailer to ensure a tight seal between the cylinder and the piston. If the cap is damaged or is missing, this part will provide an identical replacement. Make sure to check the diagrams for your specific model for the correct installation of the new component. This high-quality housing cap is made of durable material and is sold as an individual item. The cap is secured by four Allen screws which are sold separately. In order to perform this repair, you will need a properly sized Allen wrench which is also known as a Hex key.
Housing Cap A01267
OEM part for: Porter Cable
Part Number: A01267
$35.77
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 5 machines
Porter Cable
BN125A Brad Nailer View Diagrams & Manuals
NS100A Narrow Crown Stapler View Diagrams & Manuals
BN125A (Type 1) Finish Nailer Power Tool View Diagrams & Manuals
NS100A (Type 1) Stapler Power Tool View Diagrams & Manuals
This item works with the following types of products:
- Nailer Parts
- Stapler Parts
Customer Part Reviews ?
Average Rating (out of 5):
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A fifteen minute fix!
The cap came when scheduled. Four screws, change the O rings, replace the screws. Job complete! Finish nailer works like new. Thanks for the right part and the quick fix.
Guest -
April 24, 2023
Verified Purchase
Fixed
This saved me from having to buy a new Nailer. With a lot of tools now days being “throw away” it’s great to be able to fix yourself.
Mike -
August 23, 2022
Verified Purchase
Staple gun
Part shipped quickly, easy repair for a novice, fit perfectly. Gun working like new.
Guest -
July 23, 2022
Verified Purchase
It was a quick repair and easy the part arrived in a timely manner and was in great condition
Great condition and arrived in a timely fashion verry easy repair
Guest -
June 14, 2022
Verified Purchase
Worked as expected
The part fit perfectly. Super fast shipping.
Great company to do business with.
Guest -
September 26, 2021
Verified Purchase
Awesome service
My replacement cap was shipped in a very quick easy process. Easy to install and fit just like a glove. Definitely order from them again
Guest -
January 12, 2021
Verified Purchase
My go to place for parts
I can find the majority of the parts I’m looking for at ereplacement. The items are always delivered on time. The item I received on this occasion got my nailer back and running.
Shane -
November 17, 2020
Verified Purchase
Easy repair
Great service, part arrived quickly
Guest -
October 23, 2020
Verified Purchase
Air flow disperser
I though I was going to have a difficult time replacing the housing cap once I removed the screws but had no problems other than figuring out how to remove the inserts. No problems replacing everything. Part arrived as expected in good order. Thank you.
Guest -
October 7, 2020
Verified Purchase
quick service
product worked great
Guest -
May 23, 2020
Verified Purchase
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t days ago
Verified Purchase
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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.
Blew o-ring (seal) in brad nailer and also broke housing cap air deflector
Gordon - July 16, 2018
👍 4 of 4 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen (Hex) wrench
1). Removed 4 hex screws from housing cap, retained for re-use.
2). Removed housing cap, saved spring & head valve seal (still in good condition) to go into new housing cap.
3). Cleaned broken o-ring parts from back of piston and within the nail gun housing.
4). Placed new o-ring on piston.
5). Inserted new seal, saved spring & head valve seal into new housing cap.
6). Attached new head gasket & housing cap to nail gun housing using hex screws.
7). Tightened screws, added a few drops of oil and test fired the mail gun.
2). Removed housing cap, saved spring & head valve seal (still in good condition) to go into new housing cap.
3). Cleaned broken o-ring parts from back of piston and within the nail gun housing.
4). Placed new o-ring on piston.
5). Inserted new seal, saved spring & head valve seal into new housing cap.
6). Attached new head gasket & housing cap to nail gun housing using hex screws.
7). Tightened screws, added a few drops of oil and test fired the mail gun.
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The cap broke apart.
James - December 18, 2016
👍 4 of 4 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, A dental pick, allen wrench
Parts Used
I took off the old cap. Then I had to remove two 2 seals from the old cap and install them in the new cap.
Last, I installed the new cap.
Last, I installed the new cap.
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Housing cap broke
Bruce - December 23, 2018
👍 2 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Allan wrench
Parts Used
Removed old cap
Took parts needed from old cap out
Installed in new cap
Bolted new cap on
Took parts needed from old cap out
Installed in new cap
Bolted new cap on
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Exhaust port on housing cap split and broke off. Needed a replacement
David - October 26, 2018
👍 2 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Hex key wrench & dental plaque scraper
Parts Used
1. Removed four cap screws from housing cap with hex key wrench.
2. Removed housing cap from stapler by pulling straight up on cap.
3. Using a dental plaque-removal pick as an improvised small "pry bar", removed the (2) seals from the old housing cap and installed them into the new housing cap.
4. Transferred the piston return spring (and it's positioning base) into the new housing cap.
5. Placed the new housing cap onto the stapler and with a slight twisting-motion, was able to seat it into position.
6. Re-installed cap screws with hex key wrench and snugged them down.
2. Removed housing cap from stapler by pulling straight up on cap.
3. Using a dental plaque-removal pick as an improvised small "pry bar", removed the (2) seals from the old housing cap and installed them into the new housing cap.
4. Transferred the piston return spring (and it's positioning base) into the new housing cap.
5. Placed the new housing cap onto the stapler and with a slight twisting-motion, was able to seat it into position.
6. Re-installed cap screws with hex key wrench and snugged them down.
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Top rubber piece broke in two
Chris - August 10, 2023
👍 1 of 1 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, Hex wrench
Parts Used
1. Used a hex wrench to remove 4 screws
2. Extracted rubber grommet out of the old head and inserted it into the new head (which surprisingly didn’t have this rubber piece)
3. Attached the new head to the nailer with the 4 screws from the old head.
2. Extracted rubber grommet out of the old head and inserted it into the new head (which surprisingly didn’t have this rubber piece)
3. Attached the new head to the nailer with the 4 screws from the old head.
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deflecter was broken
Nelson - July 24, 2022
👍 1 of 1 people found this instruction helpful
Tool Type
Stapler
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, allen wrench
Parts Used
removed the old housing cap, removed the guts, and installed them in the new housing cap. Then installed the new cap. Works perfectly.
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Brad nailer cap
Carlis - August 21, 2021
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Parts Used
Put a new cap on.
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Housing was broken and gasket was damaged
Mark - April 8, 2021
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Power Drill
1. Removed housing cap
2. Then pull off seal/ o ring and replace with new one and attached to housing
3. Installed gasket and put housing back on
4. Note used a little flat head screw to remove o ring.
5. Test let’s it and all good to go. No air leaks
2. Then pull off seal/ o ring and replace with new one and attached to housing
3. Installed gasket and put housing back on
4. Note used a little flat head screw to remove o ring.
5. Test let’s it and all good to go. No air leaks
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leaking air
THOMAS - October 26, 2020
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, allen wrenches,fine pick to remove \\
Parts Used
Removed top of nailer, disaembled piston, replaced "o" rings. Lubricated all components, reassembled using parts breakdown supplied on line from EREPLACEMENTPARTS.COM.
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Piston stop was completely disintegrated and the air director on the top also disintegrated
Kevin - October 24, 2019
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Power Drill, Allen Wrench and dental pick
Parts Used
I put a rebuild kit into the gun and then saw the piston stop was disintegrated. I got a new one and was going to leave the head of the gun alone as it worked but the air deflector (that rotates) was also dry rotted and disintegrated in my hands. I purchased a new gun head and when it arrived I realized that the seals were not in it so I had to CAREFULLY remove them from the original head. I used the dental pick and was able to remove them without damaging them. They went right into the new head and after putting it back on the gun it works perfectly. I also cut off an old allen wrench so I could chuck it into a drill which sped up the removal and replacement of the head. I used the old gasket as it is thick and solid and worked fine.
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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.
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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.
