- 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.
OVERHAUL KIT 903775
- Manufactured by:
- DeWALT
- ERP Number:
- ERP12502343
- Part Number:
- 903775
Does this part fit my model?
Need help finding your model number?Product Description
?It is an authentic OEM sourced overhaul maintenance kit that is specially supplied for Porter Cable nailers. This kit is the manufacturer recommended solution that will help to keep your nailer operating at its peak. Over time gaskets and seals may wear out and deteriorate eventually requiring replacement. Keeping an eye on your tools performance should let you know when its time to perform a maintenance repair. The kit includes all necessary replacement seals, o-rings and gaskets needed for overhauling top and bottom seals.
Frequently Purchased Together
?Troubleshooting
- Porter Cable
- DeVilbiss
- DeWALT
- Nailer
Customer Part Reviews
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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.
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Wore out after10 years
Fred from Empire, Alabama
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
- Parts Used:
- 903775
Clean the inside of the gun
Follow the installation directions included with the kit
Install the parts
Replace the top cap
Porter Cable BN-125A nailer leaking air from top and not throwing nails.
Max from McKinney, Texas
- Difficulty Level:
- Easy
- Total Repair Time:
- 30 - 60 mins
- Parts Used:
- 903775
Would not fire
James from Helotes, Texas
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Parts Used:
- 903775
leaking air through top of unit
Rex from Maysville, Georgia
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Parts Used:
- 903775
Although I only needed the top seal, I think it is wise to do the complete rebuild.
Not sinking nails
Carl from Denham Springs, Louisiana
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Parts Used:
- 903775
After 13 years of use nail gun was worn out
James from Wanaque, New Jersey
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Parts Used:
- 903775
2. Disassembled nail gun
3. Swapped worn parts, reassembled nail gun
4. Works like new.
Air blowing from top when trying to staple
Phil from Nipomo , California
- Difficulty Level:
- Easy
- Total Repair Time:
- 30 - 60 mins
- Parts Used:
- 903775
Leaking air
Craig from JENISON, Michigan
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Wrench set
- Parts Used:
- 903775
Would not fire
Tom from SOMERVILLE, Alabama
Exhaust cap broke
Brian from Makawao, Hawaii
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Screw drivers
- Parts Used:
- 903775
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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.