The STIHL 11303504400 oil tank is a genuine OEM replacement part designed for MS 170, MS 170 C, MS 180, and MS 180 C chainsaws. This essential component holds the chain lubricant, ensuring proper oil flow to the bar and chain for optimal cutting performance and extended tool life. Constructed from durable materials, it provides a secure and leak-free reservoir for your chainsaw's oiling system. With a weight of 0.12 kg and dimensions of 95 mm length, 51 mm width, and 95 mm height, this oil tank is engineered for a precise fit and reliable operation.