When Cummins ISB or QSB diesel engines need parts for maintenance or repairs, Diesel Parts Direct should be your first stop. We have an extensive inventory of OEM and aftermarket parts for B-Series engines which will shorten your search. From the Cummins ISB 5.9 liter to the QSB 5.9, most parts are in stock and ready to ship.
Need help picking the right part? Check out our data sheets for the Cummins QSB line as well as selected ISB diesel engines, or give our customer service team a call. Our staff knows Cummins diesel and we’re here to help.
Trust Diesel Parts Direct to help keep your Cummins ISB or QSB diesel engines up and running.