Description

The Cummins Main Bearing Set 3802210 (STD) is a precision-engineered bearing kit designed specifically for Cummins 6CT and 6CTA 8.3 diesel engines . These main bearings support the crankshaft and maintain proper oil clearance, ensuring smooth rotation, reduced friction, and long-term engine durability. Manufactured to OEM specifications , this standard-size main bearing set is built from high-quality bearing materials that provide excellent load-carrying capacity, resistance to fatigue, and reliable performance under heavy-duty operating conditions. Proper main bearing fitment is critical for maintaining correct oil pressure, preventing crankshaft damage, and extending engine life during continuous operation. The Cummins 3802210 main bearing kit is commonly replaced during engine overhauls, in-frame rebuilds, and bottom-end repairs for 6CT and 6CTA 8.3 engines. Using the correct STD-size bearings ensures proper crankshaft alignment and restores factory clearances without additional machining. This bearing set is an essential component for professional engine builders, fleet maintenance programs, and diesel repair shops servicing Cummins 8.3L engines.