Campbell Hausfeld
Air Compressor

Model # WL660301 Official Campbell Hausfeld air compressor

Here are the diagrams and repair parts for Official Campbell Hausfeld WL660301 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

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 41 parts  |

Hex Screw ST016000AV
#19

Compressor diagram

Hex screw

Part #ST016000AV

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

Clip WL012700AV
#28

Compressor diagram

Clip

Part #WL012700AV

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

Screw ST073273AV
#31

Compressor diagram

Screw

Part #ST073273AV

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

Screw ST058502AV
#3

Compressor diagram

Screw

Part #ST058502AV

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

Lower Cover WL008501AV
#2

Compressor diagram

Lower cover

Part #WL008501AV

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

Coupler MP288300AV
#33

Compressor diagram

Coupler

Part #MP288300AV

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

Flexible Tube ST117803AV
#29

Compressor diagram

Flexible tube

Part #ST117803AV

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

Inlet Tube WL011801AV
#30

Compressor diagram

Inlet tube

Part #WL011801AV

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

Air Compressor Pressure Switch CW209400AV
#21

Compressor diagram

Air compressor pressure switch

Part #CW209400AV

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

Air Compressor Motor Bracket BA018300AV
#5

Compressor diagram

Air compressor motor bracket

Part #BA018300AV

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: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad…

Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve pla…

Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain va…

Main causes: bad safety valve, pressure switch failure…

Main cause: faulty output air pressure regulator…

Main cause: bad air tank pressure gauge…

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 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
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

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 tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

How to reduce air compressor noise

How to reduce air compressor noise

Find out how to reduce air compressor noise.…

How to maintain an oil-lubricated air compressor

How to maintain an oil-lubricated air compressor

See how to perform routine maintenance on your oil-lubricated air compressor.…