Cummins 540577600 Main Bearing Kit Assembly

The Cummins 540577600 main bearing kit is engineered for 6.7L ISB and ISDe series diesel engines. This kit contains a full engine set of standard size main bearings including upper and lower halves for all main journals and thrust washers for the center journal. Components are manufactured to OEM specifications using aluminum alloy tri-metal construction for optimal embeddability, conformability, and fatigue resistance under heavy-duty operating conditions. Precision machining ensures correct oil clearance and crankshaft alignment. Designed for complete crankshaft journal restoration during engine overhaul or rebuild procedures. Compatible with Dongfeng Cummins and Foton Cummins 6.7L engine platforms.