The STIHL 11106470601 oil pump piston is a genuine OEM replacement part designed for specific STIHL chainsaw models. This essential component ensures the proper function of the oil pump, delivering consistent lubrication to the guide bar and saw chain during operation. Manufactured to STIHL's rigorous quality standards, this piston guarantees reliable performance and durability, maintaining the efficiency and longevity of your chainsaw's cutting system. Replace worn or damaged oil pump pistons with this authentic STIHL part to restore optimal lubrication and prevent premature wear on your equipment.