Raw Water Impeller Pump 3907458 3912019 For M71 Cummins 4B Diesel Engines M70. 100% brand new and high quality. Brand new aftermarket part. Inlet and outlet ports. 1 Raw Water Impeller Pump. Used on various 4 cylinder Cummins diesel engines. Replacement impeller P/N 10615K. For Cummins 3912019, 3907458, M70 M71. Uses Mounting Gasket CUM-3008400. Professional installation is recommended (No Instruction Included). Compatibility is just for reference. Please confirm your part number and check our listing details to make sure this item is correct for you before ordering. Some product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to California goverment website, you can search California P65Warnings. Andling time:1-3 days. All packaging must be in original condition. In the event the item should fail due to manufacturing defects during intended use, we will replace the part by free. Professional installation is highly recommended. We will reply you within 24 hours except the weekend and holiday.