Air Compressor

Model # 921169140 Official Craftsman air compressor

Here are the diagrams and repair parts for Official Craftsman 921169140 air compressor, as well as links to manuals and error code tables, if available.

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Browse Parts for
921169140 Power Tools
Companion Air Compressor Intake Filter Kit E100794
#K8

Compressor diagram

Companion air compressor intake filter kit

Part #E100794

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

Air Compressor Drain Valve E101717
#61

Compressor diagram

Air compressor drain valve

Part #E101717

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

Companion Air Compressor Air Filter E100435
#33

Compressor diagram

Companion air compressor air filter

Part #E100435

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

Shroud Rea E105606
#30

Compressor diagram

Shroud rea

Part #E105606

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

Companion Air Compressor Quick-connect Hose Coupler E100307
#49

Compressor diagram

Companion air compressor quick-connect hose coupler

Part #E100307

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

Air Compressor Vibration Isolator Pad E100240
#59

Compressor diagram

Air compressor vibration isolator pad

Part #E100240

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

Air Compressor Outlet Tube E103636
#K6

Compressor diagram

Air compressor outlet tube

Part #E103636

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

Air Compressor Eccentric Bearing Assembly E104743
#K3

Pump assy diagram

Air compressor eccentric bearing assembly

Part #E104743

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

Air Compressor Cooling Fan E104280
#K4

Pump assy diagram

Air compressor cooling fan

Part #E104280

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

Air Compressor Cylinder O-ring Kit E105845
#K10

Pump assy diagram

Air compressor cylinder o-ring kit

Part #E105845

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.…