We offer a variety of both, over the road truck and industrial replacement (QSL) engines for the Cummins ISL 8.9 L. The engine was popular in the mid 2000s and installed in transit buses, motorcoaches, RVs, mid duty over the road trucks, firetrucks and emergency vehicles as well as trash and refuse trucks.
Our Component Built Surplus Cummins ISL 8.9 L engines come as a 3/4 long block and are not running trim condition. These component built ISL long blocks are assembled with mostly brand new OEM and Aftermarket castings and finished with limited rebuilt non-wear components. Note: We can provide both surplus component built diesel and natural gas ISLG assemblies as well as remanufactured units upon request.
New ISL 8.9 L Diesel Long Block Includes:
Camshaft and Lifters
Front Cover and Gear Housing
Includes gaskets, liners, rings and ancillary components
3/4 Long Block Does not include ECM, Wiring Harness, Fuel Pump, Turbo, Injectors
You’ve come to the right place for all of your heavy duty diesel engine needs. We here at Big Bear Engine Company are old school machine shop guys that know the value of your time whether it be out in the field for an industrial job or at play with an off-road engine swap. We are old school machine shop guys and guarantee the workmanship of all of our engines including our Cummins ISL 8.9 L Surplus Long Block Diesel Engines.