Mack 9823-100010 Windshield Fluid Pump PAI 804040OEMCROSS REFERENCE: 9823 100010 9823 C5355 APPLICATION: Mack DM U R RD RB RW Multiple Use Application. DETAILS: Genuine Part Windshield Washer Fluid Pump 5 8in 11 Thread BRAND: PAI 804040OEM Mack 9823 100010 Windshield Fluid Pump PAI 804040OEM. Heavy duty truck parts and diesel truck parts. Supports consistent spray flow and stable visibility. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company