31088 Unloader Repair Kit Compatible Models
The 31088 Unloader Repair Kit is known to properly fit and function with the following partial list of high-pressure plunger pumps:
Cat Pumps
- Cat Pumps 1DX MIST Series
- Cat Pumps 2DX MIST Series
Additional compatibility may exist for other brands and models manufactured using the same unloader valve. Always verify compatibility by confirming your unit’s model number and part diagram.








