Ryobi 308181008 Line Trimmer Fuel Tank Assembly Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; RY30931,RY30951,RY30570,RY30971,RY30530,RY30550 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 308181008 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Ryobi This fuel tank assembly (part number 308181008) is for line trimmers The assembly may include multiple parts; refer to your parts diagram for a complete list of parts included