Easy
Less than 15 minutes
This replacement end cap is specially designed for use with Bostitch nailers. It is supplied directly from original equipment manufacturer and it is sold individually. This end cap is helps to provide a seal for the air chamber. It is the part that the pressure hose would connect to. It is made out of metal and it is sold individually. Please note the o-ring is sold separately.
Replacing this item is a simple task that should only require a wrench.
• Make sure the unit is unplugged
• Remove the old end cap
• Secure the new cap
• Test the unit
End Cap 9R209578
OEM part for: Bostitch, DeWALT
Part Number: 9R209578
$7.75
In Stock
Ships within 1 business day 
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Product Description ?
- Classification: Part
- Weight: 0.09 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 10 machines
Bostitch
N75C Coil-Fed Pneumatic Sheathing Nailer View Diagrams & Manuals
N66C Coil-Fed Pneumatic Nailer View Diagrams & Manuals
N66BC Cap Nailer View Diagrams & Manuals
N66BC-1 (Type 0) Cap Nailer View Diagrams & Manuals
N75C-1 Type 0 Coil Sheathing/Siding Nailer View Diagrams & Manuals
N66C-1 (72400000) 15 Degrees Coil Siding Nailer View Diagrams & Manuals
N66C-1 (072400000 and Higher) Nailer Power Tool View Diagrams & Manuals
N66C-1 (17300 000 and Higher) Nailer Power Tool View Diagrams & Manuals
DeWALT
DW66C-1 (Type 0) 15 Deg Coi Side Nail View Diagrams & Manuals
DW66C-1 (17300 000 and Higher) 15 Deg Coi Side Nail Power Tool View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Nailer Parts
This part replaces obsolete part #: P3490000540
Customer Part Reviews ?
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They have an easy catalog to look for the parts the explanation it’s easy to understand and the parts arrive in time no hassle at all
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July 31, 2023
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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.
End cap cracked and leaking air.
Wayne - January 20, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
Easy repair use a 8 inch adjustable wrench remove end cap and o ring, clean inside of air chamber with a clean lent free rag. Replace end cap and your ready to go. Total repair less than 15 minutes.
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The thread for the air hose split and was leaking
John - September 26, 2022
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Adjustable Wrench, Need spring pliers to replace the gun holder
Parts Used
Removed end cap and replaced.
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Needed small part.
Zachary - June 24, 2017
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
Removed the old cap, then simply installed the new one.
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Hooked tool up to air and the end cap was Leaking air (broken).
Jackie - February 3, 2017
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Socket set
Parts Used
1. Removed retainer ring, retaining washer, and the end cap.
-Obtained the parts that were ordered and received Fast...-
2. Assembled the o-ring to the end cap.
3. Applied a film of lube to the threads and o-ring.
4. Screwed cap on and tightened.
5. Reassembled the rest of the parts as they came off.
-Obtained the parts that were ordered and received Fast...-
2. Assembled the o-ring to the end cap.
3. Applied a film of lube to the threads and o-ring.
4. Screwed cap on and tightened.
5. Reassembled the rest of the parts as they came off.
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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.
