This GLYCO main bearing, part code 01-4079/4 STD, is engineered to meet stringent automotive standards. It provides essential support for the crankshaft, ensuring precise alignment and reducing friction within the engine. The bearing's construction utilizes advanced materials to withstand high temperatures and pressures, contributing to the longevity and efficiency of your engine. Proper installation of this main bearing is crucial for maintaining optimal engine balance and preventing premature wear. Choose GLYCO for reliable engine components that deliver consistent performance. This main bearing is a direct fit for compatible applications, offering a dependable solution for engine rebuilds or repairs.