Compatible Models
The 49245 check valve with O-ring is known to properly fit and function with the following partial list of Cat Pumps pressure washer pumps and unloaders:
Cat Pumps 66DX Series Pressure Washer Pumps
- 66DX30G1i Cat Direct Drive Plunger Pump
- 66DX35G1i Cat Direct Drive Plunger Pump
- 66DX40G1i Cat Direct Drive Plunger Pump
Cat Pumps Unloaders
- 7730 Unloader With Chemical Injector
- 7850 Unloader With Chemical Injector
- 7860 Unloader With Chemical Injector
Additional compatibility may exist for other brands and models manufactured using the same check valve with O-ring. Always verify compatibility by confirming your unit’s model number and part diagram.








