Cummins Isc – 04E059000
Vehicle recall defect – Certain Cummins 8.3L And 8.9L Isc And Isl Diesel Engines P/N 3970750 And 3971391 Built For Use On School Buses, Transit Buses, Emergency And Recreational Vehicles Between The Dates Of December 12, 2003 Through April 12, 2004. Oil Can Leak Into The Engine Compartment From A Crack In The Cup Plug.