Air Compressor

Model # D55146 TYPE 4 Official DeWalt air compressor

Here are the diagrams and repair parts for Official DeWalt D55146 TYPE 4 air compressor, as well as links to manuals and error code tables, if available.

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Browse Parts for
D55146 TYPE 4 Power Tools
Shroud A14807
#34

Compressor assy diagram

Shroud

Part #A14807

The manufacturer no longer makes this part, and there's no substitute part

Wheel 5140126-81
#46

Compressor assy diagram

Wheel

Part #5140126-81

The manufacturer no longer makes this part, and there's no substitute part

Insert A16392
#21

Compressor assy diagram

Insert

Part #A16392

The manufacturer no longer makes this part, and there's no substitute part

Label A17566
#54

Compressor assy diagram

Label

Part #A17566

The manufacturer no longer makes this part, and there's no substitute part

Pin A06906
#7

Compressor assy diagram

Pin

Part #A06906

The manufacturer no longer makes this part, and there's no substitute part

Tank N056903SV
#5

Compressor assy diagram

Tank

Part #N056903SV

The manufacturer no longer makes this part, and there's no substitute part

Wire Tie GS-0401
#64

Compressor assy diagram

Wire tie

Part #GS-0401

The manufacturer no longer makes this part, and there's no substitute part

Decal 5130060-00
#53

Compressor assy diagram

Decal

Part #5130060-00

The manufacturer no longer makes this part, and there's no substitute part

Cordset A12771
#36

Compressor assy diagram

Cordset

Part #A12771

The manufacturer no longer makes this part, and there's no substitute part

Label N130635
#63

Compressor assy diagram

Label

Part #N130635

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your air compressors

Choose a symptom to see related air compressor repairs.

Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve pla…

Main cause: faulty output air pressure regulator…

Main cause: bad air tank pressure gauge…

Main causes: bad safety valve, pressure switch failure…

Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad…

Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain va…

Main causes: lack of electrical power, check valve failure, bad pressure switch…

Most common repair guides to help fix your air compressors

These step-by-step repair guides will help you safely fix what’s broken on your air compressor.

How to replace an air compressor check valve

How to replace an air compressor check valve

You can replace a defective air compressor check valve in about 10 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace an air compressor pressure switch

How to replace an air compressor pressure switch

You can replace a broken air compressor pressure switch in about 45 minutes. …

Repair difficulty
Time required
 45 minutes or less
How to rebuild an air compressor pump

How to rebuild an air compressor pump

If the air compressor won't fill the tank with compressed air, rebuild the pump using these steps in about 45 minutes. …

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your air compressors

Use the advice and tips in these articles and videos to get the most out of your air compressor.

How to reduce air compressor noise

How to reduce air compressor noise

Find out how to reduce air compressor noise.…

The unseen dangers of air compressors

The unseen dangers of air compressors

Learn about the possible dangers associated with using an air compressor and how you can reduce the risks of property da…

How to maintain an oil-free air compressor

How to maintain an oil-free air compressor

Learn how to maintain an oil-less air compressor for safe and efficient operation.…