Genuine Porter Cable replacement part, this item is sold individually.
The Head Valve Seal is in stalled on top of the 904695 Cylinder.
It provide a seal for the Head valve.
If you air leaks in your nail gun you may consider the part number 904949 Overhaul Kit.
Head Valve Seal 904689
OEM part for: Porter Cable
Part Number: 904689
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Product Description ?
- Classification: Part
- Weight: 0.01 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 3 machines
Porter Cable
This item works with the following types of products:
- Nailer Parts
Customer Part Reviews ?
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Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Head Valve Seal
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.
Had air leaking at a rapid rate from the top of the nailer.
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Hex head allen wrench
Parts Used
Seal head valve was dried, cracked and broken
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen head wrench
Parts Used
Loss of pressure
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Hex wrench
Parts Used
Rebuild head valve
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Hex wrenches
Parts Used
Head valve seal deteriorated
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Parts Used
Air was leaking
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, allen wrench
Parts Used
Head seal split blowing air
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Good as new
Air continuously blowing out of the top
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Allen wrench
Parts Used
Non-metalic internal parts disintigrated
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
, Allen Wrench
Parts Used
2. Removed debris, residue and broken parts
3. Installed new parts.
4. Applied pressurized air and tested for correct operation.
5. Test failed. Nailer drove one nail, but did not reset. All air pressure lost.
6. Disassembled Nailer again.
7. Installed parts correctly.
8. Reassembled and retested.
9. Nailer worked properly.
air finish nailer leaking air from top of gun
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Allen wrench
Parts Used
2) Remove broken / deteriorated parts, replace with new parts. Only hard part was the old piston stop needed needle-nose pliers to pull out.
3) Close top
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
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.