This spare part is a replacement spare component compatible with OEM part number 3128001502 and is used in underground mining drill rigs. It is manufactured to OEM specifications to ensure accurate fitment, long service life, and stable operation under demanding underground conditions. The component is suitable for E70, M4C, Simba E7C, M40S, Simba H1354, Simba H1254, S7D, and S7D-1 drilling equipment.