Air Compressor

Model # 102331A Official Craftsman air compressor

Here are the diagrams and repair parts for Official Craftsman 102331A air compressor, as well as links to manuals and error code tables, if available.

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102331A Power Tools
Bearing 38275

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Bearing

Part #38275

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

Wght Ret Ay 38810

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Wght ret ay

Part #38810

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

Air Compressor Cylinder Head 38212

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Air compressor cylinder head

Part #38212

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

Tube 30989

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Tube

Part #30989

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

Piston 38177

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Piston

Part #38177

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

Washer 38191

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Washer

Part #38191

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

Cover Gasket 38409

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Cover gasket

Part #38409

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

Head Assembly 38341

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Head assembly

Part #38341

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

Head Assembly 42354

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Head assembly

Part #42354

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

Head-ser. M 36289

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Head-ser. m

Part #36289

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.…