The Dolmar 130131161 Complete Air Hose is a genuine OEM replacement part designed for various Dolmar PS-series professional chainsaws. This essential component ensures a sealed and efficient air intake system, crucial for maintaining proper engine function and air filtration. It is specifically engineered to fit models such as the PS-6400, PS-7300, PS-7900, and PS-9010, including their HS, H, and W variants. Replacing a damaged or worn air hose with this original Dolmar part helps restore peak performance and extends the lifespan of your chainsaw.