CYEFI Fuel System Parts. Barrel and Plunger Assembly. Diesel Engine Spare Parts. Diesel Injection Pump Parts. Diesel Engine Fuel Injection Pump 0400866197 for Cummins C8.3. Part Name: Diesel Fuel Injection Pump Assembly 2. Part Number: 0400866197 3. Note:Please confirm the fuel pump model before purchasing, If you are not sure about the fitment, you could send us the nameplate of your fuel pump, we will confirm for you. ## Important Notes Please confirm compatibility before purchasing. If you are unsure, send us clear photos of the product and the engine or fuel pump identification plate for verification. Professional installation is recommended. Installation instructions may not be included. ? Item Con dition Items must be unused, in original condition, with all accessories included.