Ordering by number: this is C085371, which also shows up as 3310103480, the Chicago Pneumatic governor valve pin. This part controls the working cycle of the pump. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It is called out in the parts diagram for the CP 0020 Sump Pump. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
Use the parts breakdown index to work through the rest of the assembly, or the CP tool catalog if you are pricing a replacement machine. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: C085371
- Also listed as: 3310103480
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-C085371
- Listed on breakdowns for: CP 0020 Sump Pump
