Easy
15-30 minutes
This is a Genuine Manufacturer Approved replacement part designed to work with some DeWALT Air Compressors. The pressure switch tells your compressor when to stop and when to start. There are multiple reasons a Pressure Switch could be leaking air. If it is leaking air the Pressure Switch should be replaced for a compressor to operate properly and safely.
Includes: Pressure Switch, 2 Leads, Attached Hose, Hose Clamp, Mounting Screw.
Pressure Switch N003306SV
OEM part for: DeWALT
Part Number: N003306SV
$22.64
In Stock
Ships within 1 business day 
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Product Description ?
- Classification: Part
- Weight: 0.20 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 6 machines
DeWALT
D55141 Type 1 Compressor View Diagrams & Manuals
D55141 Type 2 Compressor View Diagrams & Manuals
D55141 Type 3 Compressor View Diagrams & Manuals
D55141 Type 4 Compressor View Diagrams & Manuals
D55141 Type 5 Compressor View Diagrams & Manuals
D55141 (Type 6) Compressor Power Tool View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Compressor Parts
This part replaces obsolete part #: N003306
Customer Part Reviews ?
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Perfect parts
The perfect part, arrived quick, was easy to find and order.
Guest -
March 6, 2024
Verified Purchase
This was the exact part I needed.
This part was the one I needed even after the manufacturer's service center told me they could not repair my compressor. Came with easy to read installation instructions too! Thank you.
Guest -
March 1, 2023
Verified Purchase
good service
Arrived on time and worked as expected
Guest -
January 4, 2021
Verified Purchase
First off, great site for us old timers, easy navigation, and ordering process. Part came quickly and I installed as per Inclosed directions. Have used them before and will again, cheaper than the real big e-commerce business.
Great part
Brian -
July 16, 2020
Verified Purchase
Easy repair
Came quick, easy fix
Guest -
November 29, 2019
Verified Purchase
Repair compressors
Part received was identical to defective one rep that handled order was great once installed unit worked like new . Thanks
Guest -
October 28, 2019
Verified Purchase
Perfect
Worked exactly as specified. Perfect.
Guest -
June 20, 2019
Verified Purchase
worked as expected
I got it quick compressor runs again
Guest -
August 28, 2019
Verified Purchase
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t days ago
Verified Purchase
eReplacementParts Team
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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 Pressure Switch
What is the on off pressure for this switch it would be nice if it was in the description
Mike
for model number D55146
asked on 2022-12-28
Hello Mike, Thank you for your inquiry. We show that this part is set for 120-150 PSI, but does not show as compatible to the model number that you have provided. The compatible pressure switch is part# AB-9063158. Good luck with your repair.
eReplacementParts Team December 28, 2022
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.
Replace pressure switch due to condensation
Len - May 5, 2016
👍 19 of 22 people found this instruction helpful
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Nutdriver, Adjustable Wrench, Crimper
Parts Used
Remove cover plate from compressor. Remove retaining screw and slide motor assembly out of compressor housing. remove 4 screws from the motor unit and separate the two halves of the plastic motor housing. Cut and detach the air line from the manifold to the pressure switch. remove screw holding pressure switch in and remove switch. Disconnect the wires from the power switch and the motor that go to the old pressure switch. replace with the same wires from the new switch. Put switch and retaining screw back into the motor housing. connect the air line from the pressure switch to the manifold and crimp the metal hose clamp. Reassemble the motor housing and install it back into the compressor housing. Screw the metal cover plate back on the compressor. Test compressor.
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Pressure switch quit working
Richard - February 12, 2017
👍 11 of 12 people found this instruction helpful
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Nutdriver
Parts Used
https://www.youtube.com/watch?v=XC5knqVm66k
This is the link to a repair video that showed me how to replace the pressures switch. Thank you.
This is the link to a repair video that showed me how to replace the pressures switch. Thank you.
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Pressure switch failed; compressor would not shut off when up to pressure.
H - November 12, 2017
👍 2 of 2 people found this instruction helpful
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Torx drivers, end cutters.
Parts Used
Remove the top panel for easier access to the manifold.
Disconnect the pressure switch hose from the manifold.
Disconnect the second hose to the manifold.
Removed the compressor unit from the frame.
Opened the plastic enclosure and removed the compressor.
Removed the old pressure switch and disconnected its two spade connectors.
Install and connect the new pressure switch. (Removal and replacement was one screw.)
Install the compressor back into the enclosure and install 5 torx screws.
Install the compressor unit back into the frame.
Connect the "second hose" to the manifold - do before fully sliding the compressor in.
Slide the compressor unit fully into its mounts in the frame and secure with the lock screw.
Reconnect the hose from the pressure switch to the manifold.
Re-mount the top plate to the frame and the manifold to the top plate.
Plug it in, start it up, let it come up to pressure and make sure it shuts off at 150 psi.
Bleed off some air and make sure the compressor starts at about 120 psi.
You're done!
Disconnect the pressure switch hose from the manifold.
Disconnect the second hose to the manifold.
Removed the compressor unit from the frame.
Opened the plastic enclosure and removed the compressor.
Removed the old pressure switch and disconnected its two spade connectors.
Install and connect the new pressure switch. (Removal and replacement was one screw.)
Install the compressor back into the enclosure and install 5 torx screws.
Install the compressor unit back into the frame.
Connect the "second hose" to the manifold - do before fully sliding the compressor in.
Slide the compressor unit fully into its mounts in the frame and secure with the lock screw.
Reconnect the hose from the pressure switch to the manifold.
Re-mount the top plate to the frame and the manifold to the top plate.
Plug it in, start it up, let it come up to pressure and make sure it shuts off at 150 psi.
Bleed off some air and make sure the compressor starts at about 120 psi.
You're done!
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Needed new pressure switch
Peter - May 26, 2016
👍 3 of 4 people found this instruction helpful
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Plumbers crimping tool worked better than hose claps
Parts Used
By following the installation instructions included with the pressure switch. I had my compressor up and running on no time.
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Pressure switch
JIMMY - November 9, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Compressor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Power Drill, Wrench Set
Parts Used
Remove compressor from housing / split compressor casing /remove n replace pressure switch/install compressor n housing / did run ck compressor cut off @ 150 psi all's well
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Would trip overflow and not cut off
Benjamin - April 2, 2024
Tool Type
Compressor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Un bolt the motor from frame. Remove air hose st pull out the motor. Unscrew the motor housing. Open up and unplug electrical wires. One screw to pull out old compressor switch. Install new one and put housing all together. I had issues with the hose clamps, so I put on screw hose clamps. Replaced the motor back in frame. Bolted back in.
Works like new.
Works like new.
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compressor failed to exceed 150psi to activate the high pressure cutoff.
Alan - October 24, 2023
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Nutdriver
Parts Used
1 watch youtube videos to familiarize me with the task.
2. read the instructions sent with the part.
3. disassembled the unit to remove and replace the defective part.
4. reassembled the unit and tested.
2. read the instructions sent with the part.
3. disassembled the unit to remove and replace the defective part.
4. reassembled the unit and tested.
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Compressor ran until pressure got too high and release valve opened
Thomas - December 15, 2020
Tool Type
Compressor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Crimp tool and torx screwdrivers
Parts Used
Followed instructions provided with new pressure switch.
1. Opened case and removed old switch and hose (torx screwdriver and pliers)
2. Installed new switch
3. Closed case and attached new hose with crimping pliers
4. Compressor works like new
PS. The old compressor pressure switch became rusty and stopped working because the tank was not vented/drained when not in use.
1. Opened case and removed old switch and hose (torx screwdriver and pliers)
2. Installed new switch
3. Closed case and attached new hose with crimping pliers
4. Compressor works like new
PS. The old compressor pressure switch became rusty and stopped working because the tank was not vented/drained when not in use.
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Pressure Switch was disfective would not shot off
Gerald - July 16, 2020
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Star wrench, screw driver
Parts Used
Removed compressor, Remove covers, replace pressure switch.
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Pressure switch replacement
Ronald - April 8, 2020
Tool Type
Compressor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Adjustable Wrench, Knife and dykes to tighten the clamp
Parts Used
Split the casing with s screwdriver,cut the old pressure line,removed the old pressure switch and replaced..assemble.. note: pay attention to the position of the wiring and switch due to new switch has different color on one wire so if you pay attention it is easy to install correctly
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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.
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.
