UFLEX FRONT MOUNT OB HYDRAULIC CYLINDER MER/MAR/YAM. Compatible with competing helms, hoses and oil , the UC128 cylinder is built to last with heavy duty stainless steel rod, seals and link assemblies. Constructed of top grade materials this cylinder is simple to install and fits almost every two anf four stroke outboard engine in the market. Fits: Mercury/Mariner,Honda,Yamaha,Johnson,Suzuki. contact us for proper horsepower & year.