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Air Compressor

Model # 921165720 Official Craftsman air compressor

Here are the diagrams and repair parts for Official Craftsman 921165720 air compressor, as well as links to manuals and error code tables, if available.

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Browse Parts for
921165720 Power Tools
Air Compressor Valve Plate Assembly E106670
#8

Pump assy diagram

Air compressor valve plate assembly

Part #E106670

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

Nut Sleeve E106641
#44

Air compressor diagram

Nut sleeve

Part #E106641

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

Air Compressor Air Hose Clamp E106648
#51

Air compressor diagram

Air compressor air hose clamp

Part #E106648

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

Air Compressor Motor Wire Harness E106637
#39

Air compressor diagram

Air compressor motor wire harness

Part #E106637

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

Craftsman Air Compressor Check Valve E106618
#12

Air compressor diagram

Craftsman air compressor check valve

Part #E106618

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

Air Compressor Pump Assembly E106639
#41

Air compressor diagram

Air compressor pump assembly

Part #E106639

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

Label E106631
#30

Air compressor diagram

Label

Part #E106631

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

Craftsman Cover E106613
#6

Air compressor diagram

Craftsman cover

Part #E106613

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

Air Compressor Screw, 4-pack E106614
#7

Air compressor diagram

Air compressor screw, 4-pack

Part #E106614

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

Zip Tie E106659
#53

Air compressor diagram

Zip tie

Part #E106659

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.…

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