DeWalt
Air Compressor

Model #D55155 DeWalt air compressor

Here are the repair parts and diagrams for your DeWalt D55155 air compressor. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

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Showing 10 of 75 parts

Repair Kit

#846D

Compressor Diagram

Repair kit

Part #5130238-00

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

Foot

#8

Compressor Diagram

Foot

Part #5130008-00

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

Nut

#10

Compressor Diagram

Nut

Part #5130010-00

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

Coupler

#15

Compressor Diagram

Coupler

Part #5130015-00

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

Elbow

#23

Compressor Diagram

Elbow

Part #5130023-00

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

Rod

#219

Motor assy Diagram

Rod

Part #5130088-00

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

Crankshaft

#223

Motor assy Diagram

Crankshaft

Part #5130092-00

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

Screw

#229

Motor assy Diagram

Screw

Part #5130097-00

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

Air Compressor Piston Kit

#250

Motor assy Diagram

Air compressor piston kit

Part #5130102-00

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

Reducer

#28

Compressor Diagram

Reducer

Part #5130031-00

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

Symptoms common to all air compressors

Choose a symptom to see related air compressor repairs.

Main causes: lack of electrical power, check valve failure, bad pressure switch
Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad air pump
Main cause: bad air tank pressure gauge
Main cause: faulty output air pressure regulator
Main causes: bad safety valve, pressure switch failure
Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve plate
Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain valve

Repair guides common to all 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

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

Repair difficulty
Time required
 15 minutes or less
May 1, 2015
By Lyle Weischwill
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
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

Articles and videos common to all air compressors

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

April 24, 2015

How to reduce air compressor noise

By Sears PartsDirect staff

Find out how to reduce air compressor noise.

April 21, 2015

How to maintain an oil-free air compressor

By Sears PartsDirect staff

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

April 21, 2015

How to maintain an oil-lubricated air compressor

By Sears PartsDirect staff

See how to perform routine maintenance on your oil-lubricated air compressor.