Easy
15-30 minutes
Micro Press. Switch N003990
OEM part for: DeWALT
Part Number: N003990
$27.71
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 4 machines
DeWALT
D55168 Type 5 1.8HP 15G Compressor View Diagrams & Manuals
D55168 (Type 6) Compressor Power Tool View Diagrams & Manuals
D55168 (Type 7) Compressor Power Tool View Diagrams & Manuals
D55168 (Type 8) Compressor Power Tool View Diagrams & Manuals
This item works with the following types of products:
- Compressor Parts
Customer Part Reviews ?
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EZ install
Replaced pressure switch perfect fit. Compressor is working great
Guest -
October 25, 2021
Verified Purchase
pressure switch for Air Compressor
The part was the right fit for the Air Compressor and fixed my problem. Thank you for the detailed instructions and the help. Thanks, again.
Roger
Guest -
August 25, 2020
Verified Purchase
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t days ago
Verified Purchase
eReplacementParts Team
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Questions & Answers ?
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Does this fit my product?Questions & Answers for Micro Press. Switch
WHAT ARE PRESSURE LIMITS
Barney
asked on 2023-10-25
Hello Barney, Thank you for your inquiry. We show the pressure limits for this switch as 160 PSI Cut on and 200 PSI Cut off. We hope this helps.
eReplacementParts Team October 25, 2023
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.
Kept running tgen saftey valve deployed and still kept running
Kevin - May 10, 2018
👍 1 of 1 people found this instruction helpful
Tool Type
Compressor
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Adjustable Wrench
Removed housing
Removed pressure switch hose
Removed pressure switch electrical connectors
Installed new pressure switch
Replaced hose clamp on pressure switch
Reassembled
Removed safety valve
Reinstalled new safety valve
Repair complete
Removed pressure switch hose
Removed pressure switch electrical connectors
Installed new pressure switch
Replaced hose clamp on pressure switch
Reassembled
Removed safety valve
Reinstalled new safety valve
Repair complete
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Pressure Switch
Buzz - February 18, 2021
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Opened cover, removed screw holding switch, removed hoses. Reverse order to compete, Clamps didn't work had to use regular hose clamps.
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Gladney - September 18, 2019
Tool Type
Compressor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Replaced micro pressure switch.
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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.
