Model # 919727321 Official Craftsman air compressor

Here are the diagrams and repair parts for Official Craftsman 919727321 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 61 parts |

Air Compressor Pressure Switch Cover AC-0557

#25

Tank diagram

Air compressor pressure switch cover

Part #AC-0557

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

Tower Air Compressor Cylinder Head O-ring ACG-45

#65

Motor/fan diagram

Tower air compressor cylinder head o-ring

Part #ACG-45

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

#68

Motor/fan diagram

Unknown brand name #696 air compressor screw

Part #SSF-927

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

#42

Tank diagram

Air compressor nameplate

Part #LA-3069

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

Tower Air Compressor Connecting Rod Screw SSF-3158-1

#62

Motor/fan diagram

Tower air compressor connecting rod screw

Part #SSF-3158-1

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

#57

Motor/fan diagram

Air compressor fan blade screw

Part #SSF-586

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

#37

Tank diagram

Air compressor power cord

Part #SUDL-413-2

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

Air Compressor Outlet Tube O-ring SSG-3105

#32

Tank diagram

Air compressor outlet tube o-ring

Part #SSG-3105

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

Air Compressor Vibration Isolator Pad AC-0774

#36

Tank diagram

Air compressor vibration isolator pad

Part #AC-0774

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

Air Compressor Pressure Regulator CAC-4296-1

#10

Tank diagram

Air compressor pressure regulator

Part #CAC-4296-1

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

Main cause: bad check valve…

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

Main cause: faulty output air pressure regulator…

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

Main cause: bad air tank pressure gauge…

Why does my air compressor safety valve keep popping open?

Main causes: bad safety valve, pressure switch failure…

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 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 is my air compressor not turning on?

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.

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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

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

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.

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Model # 919727321 Official Craftsman air compressor

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your air compressors

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

Why won't my air compressor build tank pressure?

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

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

Why does my air compressor safety valve keep popping open?

Why does air leak from my air compressor?

Why won't my air compressor tank hold air?

Why is my air compressor not turning on?

Most common repair guides to help fix your air compressors

How to replace an air compressor check valve

How to replace an air compressor pressure switch

How to rebuild an air compressor pump

Effective articles & videos to help repair your air compressors

How to reduce air compressor noise

The unseen dangers of air compressors

How to maintain an oil-free air compressor

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