D55146 (Type 5) DeWALT Compressor - Overview

Diagrams for D55146

See every part. Know exactly what you need.

Parts for the D55146

$22.04

Ball Valve

Part #N072023

This genuine OEM replacement drain valve is designed for use with a variety of DeWalt air compressors. Made from durable metal, it allows you to easily open or close the valve with just a quarter turn, making tank draining quick and hassle-free. If your current valve is leaking or hard to turn, this part is a simple fix to keep your compr...Read more

Read less

$7.44

Screw

Part #A08454

$7.44

Screw

Part #A10638

Nipple 1/4-18NPT X 1

Part #N044990

$9.51

Fitting

Part #A03008

$16.48

Bushing Hex

Part #A19703

$345.86

Manifold Regulator Assembly

Part #N028208

This is a genuine manufacturer sourced replacement regulator/manifold for air compressors. This part adjusts the pressure of the air coming from the tank to the desired level. Includes regulator body, two (2) gauges, two (2) brass quick connect fittings and a regulator knob. Make sure to unplug the air compressor release all the air from the tank before installing this part.

$106.43

Check Valve

Part #N034159

The check valve attaches to the tank and helps to let air into the tank. It is made out of metal and is priced individually. This is an OEM part sourced directly from the manufacturer and is used in compressors made by DeWALT and Bostitch. It will need to be replaced if it breaks and may require a screwdriver and a wrench set to do the replacement.

$102.05

Connecting Rod And Piston Asse

Part #N038785

This genuine OEM replacement kit is designed for use with select DeWalt air compressors and includes the most commonly needed parts to fix low compression issues. The kit comes with a cylinder tube, valve plate O-rings, and a complete piston assembly with bearing—everything you need to restore performance. Please note: This kit does not i...Read more

Read less

$8.49

Regulator Bonnet

Part #N148120SV

This is a genuine manufacturer approved replacement regulator bonnet designed for use with air compressors. This is an important part of the regulator which helps to adjusts the pressure of the air coming from the tank to the desired level. It is made out of plastic and it is sold individually.

$7.44

Warning Label

Part #N018445

Panel Label

Part #N230717

Common Symptoms of the D55146

How this model fails, and the parts that fix it.

Repair Tips From Fixers Like You

See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

Can't find this special screw used on many housings etc

4 of 6 people found this instruction helpful.

Tim from Tucson, AZ
Very Easy
15 - 30 mins

Actually don't like using Torx bits because they are hard to center deep in the channel. I had misplaced these forcing me to order replacements.
My plan is to insert Torx bits before screwing in and using jb weld to secure the bit to the screw, giving me a hex head. Can't find this special screw with a hex head. This screw is called ... Read more

Read less

Was this helpful?

Older compressor runs but no longer builds pressure

3 of 3 people found this instruction helpful.

Cary from SAGLE, ID
Really Easy
30 - 60 mins
Screw drivers, Socket set

After replacing the piston, cylinder sleeve and O-rings, the old compressor works like a champ. The hardest part was getting the nut loose holding the piston & bearing in place. Two socket wrenches and a big hammer was able to break the nut loose and get it off.

Was this helpful?

Broken ground on original plug

2 of 2 people found this instruction helpful.

Debra from PRESCOTT VLY, AZ
Really Easy
15 - 30 mins
Screw drivers

Removed cover & old cord.
Replaced with new cord & replaced cover.
Works perfect.

Was this helpful?