Can’t find your part? Contact us:

+1-309-603-4777

Air Compressor

Model # 102331B Official Craftsman air compressor

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

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 128 parts |

Bearing 38275

#NI

All parts diagram

Bearing

Part #38275

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

Tube 39097

#NI

All parts diagram

Tube

Part #39097

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

Feeder Ring 17757

#NI

All parts diagram

Feeder ring

Part #17757

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

Spring 39793

#NI

All parts diagram

Spring

Part #39793

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

Pulley Bolt 98615

#NI

All parts diagram

Pulley bolt

Part #98615

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

Wght Retain 38628

#NI

All parts diagram

Wght retain

Part #38628

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

Assembly 38787

#NI

All parts diagram

Assembly

Part #38787

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

Tube 12007

#NI

All parts diagram

Tube

Part #12007

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

Drain Pipe 10205

#NI

All parts diagram

Drain pipe

Part #10205

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

Tube 13485

#NI

All parts diagram

Tube

Part #13485

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.

Why does my air compressor safety valve keep popping open?

Main causes: bad safety valve, pressure switch failure…

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…

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

Main cause: bad check valve…

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

Main cause: faulty output air pressure regulator…

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…

Why is my air compressor not turning on?

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

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…

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

Main cause: bad air tank pressure gauge…

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.…

Stay Connected