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Craftsman
Air Compressor

Model # 921165730 Official Craftsman air compressor

Here are the diagrams and repair parts for Official Craftsman 921165730 air compressor, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 100 parts  |
Air Compressor Drain Valve E106644
Air compressor drain valve

Part #E106644

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

Craftsman Hose E106655
Craftsman hose

Part #E106655

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

Air Compressor Pressure Switch E106635
Air compressor pressure switch

Part #E106635

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

Air Compressor Wheel E106628
Air compressor wheel

Part #E106628

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

Screw E106643
Screw

Part #E106643

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

Air Compressor Air Filter E106632
Air compressor air filter

Part #E106632

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

Zip Tie E106659
Zip tie

Part #E106659

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

Air Compressor Nut E106623
Air compressor nut

Part #E106623

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

Screw E106669
Screw

Part #E106669

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

Nut Sleeve E106641
Nut sleeve

Part #E106641

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.

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Why does my air compressor safety valve keep popping open?

Main causes: bad safety valve, pressure switch failure...

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Why won't my air compressor tank hold air?

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

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Why won't my air compressor start with a full air tank?

Main cause: bad check valve...

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Why can't I adjust the output air pressure on my air compressor?

Main cause: faulty output air pressure regulator...

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Why does air leak from my air compressor?

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

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Why is my air compressor not turning on?

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

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Why won't my air compressor build tank pressure?

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

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Why doesn't my air compressor's pressure gauge work?

Main cause: bad air tank pressure gauge...

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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.

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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....

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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. ...

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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. ...

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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.

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How to reduce air compressor noise

How to reduce air compressor noise

Find out how to reduce air compressor noise....

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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...

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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....

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