Pump Repair Kit Compatible with Grainger Part Number 794F37 Compatible with Manufacturer Model Number 33110 Connection Size Not Applicable Connection Type Not Applicable Hose Inside Diameter Not Applicable Hose Length Not Applicable Includes (2) Back-Up Rings (2) O-Rings (2) Seal Rings (4) U-Cups Operating Pressure (Maximum) 1 000 psi Product Type Pump Repair Kit Compatible with Pump Type Hydrostatic Test Pump Compatible with Brand Wheeler-Rex