This GLYCO main bearing, part code 01-4139/4 0.50mm, is engineered to meet stringent automotive standards. It provides essential support for the crankshaft, ensuring proper alignment and reducing friction for enhanced engine efficiency. The precision manufacturing of this bearing guarantees a perfect fit and long-lasting performance. It is designed to withstand the demanding conditions within an engine, contributing to its overall longevity and reliability. Upgrade your engine with this dependable component from GLYCO, a trusted name in engine parts. Experience the difference quality materials and expert craftsmanship make in your vehicle's performance.