This GLYCO 71-3817/6 STD main bearing is engineered to meet stringent quality standards, providing essential support for your engine's crankshaft. Crafted with precision, it plays a crucial role in reducing friction and wear between the crankshaft and the engine block, contributing to overall engine health and longevity. The STD designation indicates a standard size, ensuring a precise fit for compatible applications. Choosing GLYCO means opting for a component built for consistent performance and dependability. This main bearing is designed to withstand the demanding conditions within an engine, offering peace of mind for everyday driving and beyond.