This Oil Level Bolt (PN 226802286 / Drawing No. XS202J.2.1-10) is a machined steel sight plug designed for XCMG XS202J vibratory road rollers. Used on hydraulic tanks, gearboxes, and axle housings, it provides a quick visual reference for oil level checks while maintaining a positive seal against leaks. Manufactured from medium-carbon steel with a zinc-phosphate finish for corrosion resistance, each unit ships with a matching copper crush washer to ensure zero weeping at operating temperature and pressure. Precision-cut hex head and accurate thread pitch guarantee repeatable torque without galling. Direct OEM replacement—no sealant required.