Case J903282 Flywheel Bell Housing Assembly

The J903282 flywheel bell housing serves as the structural interface between the engine block and transmission, providing mounting for the starter motor and torque converter or clutch assembly. Manufactured from high-strength cast iron to withstand torsional vibration and thermal cycling in heavy-duty applications. This SAE #3 housing configuration aligns with Cummins B Series engine blocks (4B3.9, 6B5.9) utilized in Case 4390 and 6590 series power units. Direct OEM replacement for Case part numbers J903282 and 3903282, cross-referencing Cummins 3903282 and 4947579. Precision machined for exact alignment of crankshaft pilot bearing bore, starter motor pocket, and transmission register diameter. Includes provisions for SAE standard flywheel housing inspection covers and hydraulic pump mounting pads where applicable. Designed for service in construction machinery including backhoe loaders, wheel loaders, and wheeled excavators.