The Insert (OEM Part No. 5541378000) is a mechanical component used in the lubricating oil pumping system of Epiroc ST1030 mining equipment, including older and newer ST1030 configurations. Manufactured from durable steel, the insert is designed to work within the lubrication assembly and support proper oil delivery and pumping operation. It contributes to the reliable functioning of the lubrication system by maintaining the correct interaction between associated pump components. Designed for demanding heavy-duty mining applications, 5541378000 is suitable as a replacement component for routine equipment maintenance and repair. Its durable construction supports dependable performance and helps maintain the lubrication system of ST1030 underground mining machinery.