K7045V #01B00C

K7045V #01B00C

Loading Schematic

Model Numbers: K7045V

Repair Parts for the Kobalt model K7045V Stationary Single-Stage Oil-Bath Electric Air Compressor



Unit Specs:

  • 7 HP Peak/3.5 HP Running
  • 12.2 SCFM @ 40 psi
  • 10.8 SCFM @ 90 psi
  • Max Pressure: 135psi
  • 45 gallon tank

B3800 Pump Specs:

  • 7.41 cfm @ 100 psi w/ 5 HP motor
  • 3 - 5 HP
  • Min RPM 700 Max RPM 1400
  • Max Pressure 130 psi
  • 13.78" for B3800
  • Bore 2.36
  • Stroke 1.97
  • Belt A-1
  • Weight 24 lbs.
  • 11.02 L x 10.94 W x 12.75 H for B3000 13.00 L x 11.38 W x 13.56 H for B3800
  • Bolt Footprint 7.44" Side to Side 5.62" Front to Back for B3000
  • Oil capacity 1qt 12 ozs. for B3800

Extra Details

How to tell if you have a B3800 or a B2800 pump:
  • B3800 Flywheel diameter is 13.78".
  • B2800 Flywheel diameter is 11.02".
  • NS18S pump had same parts except for head and aftercooler.


Click here to order and download the Owner's Manual


We have your Kobalt K7045V parts here. Whether you need a pressure switch, check valve or a new pump, we have your parts. Kobalt K7045V parts are easy to come by at Master Tool Repair. We have helpful sales team members that can assist you with your repair. We have accessories as well as compressor oil to keep your pump running like a top. We keep the most popular Kobalt K7045V parts in stock and we can order most other parts in a matter of a few days. To make ordering easier, we have created the ability for you to order parts by simply enlarging the schematic and then using your mouse to hover over the actual part. You will see the part pop up and are able to order by simply choosing the quantity of parts that you need and adding them to your cart. Make sure to keep spare parts on hand so that your down time will be minimal. Replace your Air Filter and Oil every 3 to 4 months if used frequently. Use straight 30W compressor oil (20W below 34 deg). Drain your tank regularly to prevent rust, especially in humid climates. This unit was made by Chicago Pneumatic.

Technical Documents

Click here for torque settings

Standard break-in procedure:

1. Open drain tap

2. Turn on compressor for about 10 to 15 min.

3. Let it cool for 15 to 20 min.

4. Close drain tap.

5. Run air compressor until unit turns off by itself.

6. Ready for use.