Water Pump 3973114 of Cummins 6CTA8.3-M188(SO21992) Marine Engine NO. PART NUMBER PART NAME 1 3973114 Pump, Water 2 3940386 Seal, O Ring 3 3093730 Screw, Hex Flange Head Cap Remarks: (1) We can provide Water Pump 3973114 engine parts, as well as 6CTA8.3-M188 genuine Cummins engine. (2) Above we have listed engine parts Water Pump 3973114 for the Cummins 6CTA8.3-M188(SO21992) …