This genuine Cummins fuel pump is designed for use in the engine compartment of ISC 8.3L and ISL 8.9L diesel vehicles. Included in the package is the fuel pump itself, with no other items included. This pump has been superseded by part numbers 4954200 and 5594760, and it also has multiple interchangeable part numbers. This is not a universal fitment and is not a performance part. Trust in the quality of Cummins to keep your vehicle running smoothly.