This GLYCO main bearing, part code 01-4138/4 STD, is engineered to meet stringent performance standards. It plays a crucial role in the internal combustion engine by supporting the crankshaft and maintaining precise clearances for optimal oil flow and lubrication. The bearing is constructed from durable materials to withstand the high pressures and temperatures encountered during engine operation. Its precise dimensions ensure a perfect fit within the engine block, contributing to reduced friction and wear. Proper installation of this main bearing is essential for the longevity and efficiency of your engine. It is designed to provide consistent support and reduce vibration, leading to a smoother running vehicle.