ACDelco Oil Filter AC051 – Heavy Duty Dual Flow Spin-On (Ryco Z371, M36x1.5, Fuso Fighter UD Trucks)Product Description: The ACDelco AC051 oil filter is a large capacity heavy duty dual flow spin on filter, designed for commercial trucks, buses, and high capacity diesel engines. Built to handle extreme oil volumes and long operating hours, this filter provides reliable engine protection in demanding fleet, transport, and industrial environments. Commonly fitted to Mitsubishi Fuso Fighter trucks and UD trucks, this is a serious workhorse filter for