This genuine Stihl oil hose is designed for the chain lubrication system on Stihl MS 290 and MS 310 chainsaws. Made from flexible, oil-resistant rubber, this moulded hose transfers bar and chain oil from the tank to the oiler to help maintain proper lubrication during operation. Consistent oil flow helps reduce friction, heat, and wear on the guide bar, chain, and drive components, supporting dependable cutting performance and component service life. This genuine Stihl replacement hose is ideal for routine maintenance or replacing a worn or damaged oil line.