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.
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)
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 t
... Read morerigger pins back in and install the small o rings. Plug the gun into the compressor and check for any leaks.
Removed old trigger after removing nails
Cleaned and oiled gun
Replaced trigger valve assembly and roll pin
Verified operation
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Stock Status
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
