Medium
15-30 minutes
This is a genuine Senco replacement part used in compatible finish nailers. The valve attaches to the main body assembly and is made of plastic and metal. A hammer may be needed during the replacement of this part. It will need to be replaced if it becomes broken. This part is available as an individual replacement.
Valve Assembly CA0103
OEM part for: Senco
Part Number: CA0103
$20.84
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 3 machines
Senco
FinishPro 41XP 15 Ga. Finish Nailer View Diagrams & Manuals
FinishPro 42XP 15 Ga. Finish Nailer View Diagrams & Manuals
FinishPro42XP15Ga (4G0001N) "finishpro 42xp, 2-1/2 Inch 15 Gauge Finish Nailer" View Diagrams & Manuals
This item works with the following types of products:
- Nailer Parts
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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.
trigger valve leaking
Christian - January 16, 2022
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Pliers, small thin flatbar, hammer, small nail set
Parts Used
1st remove the 2 small o rings and pins that hold the trigger assembly together. Next you will need to push the small pressure pin out by tapping it with a small nail set and pulling it out with pliers. Remove the trigger assembly. Pull the old trigger valve out. Install the new o rings onto the new trigger valve and re install. Put the trigger pins back in and install the small o rings. Plug the gun into the compressor and check for any leaks.
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Trigger valve assembly did not work
Mandy - September 8, 2017
Tool Type
Nailer
Difficulty
Medium
Time
Less than 15 minutes
Tools Used
, Hammer, pin punch
Parts Used
Removed old trigger after removing nails
Cleaned and oiled gun
Replaced trigger valve assembly and roll pin
Verified operation
Cleaned and oiled gun
Replaced trigger valve assembly and roll pin
Verified operation
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Air leak at exhaust
Joseph - December 28, 2018
👍 0 of 1 people found this instruction helpful
Tool Type
Nailer
Difficulty
Medium
Time
30-60 minutes
Tools Used
, Allen wrenchs,punch and hammer
Parts Used
Senco 42xp
Removed and Replaced Trigger assembly
Replaced o rings on trigger valve
Did not stop air leak
Replaced a lot of parts on tool.
Ended up bringing another non leaking tool and swapping parts till found the culprit (Retainer)
Removed and Replaced Trigger assembly
Replaced o rings on trigger valve
Did not stop air leak
Replaced a lot of parts on tool.
Ended up bringing another non leaking tool and swapping parts till found the culprit (Retainer)
Did you find this story helpful?
Thanks for voting and helping fellow customers!
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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.
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