OEM equivalent: SWIVEL PLATE CASTER;[4″ DIA] X [3/4 WIDE] PLATE MOUNT CASTER W/O BRAKE;300 LBS (PLATE SIZE 3 1/8″ X 4 1/16″);AND (3″ X 4″ HOLE CENTERS), (LOAD HEIGHT 5″) Original Equipment Manufacturer (OEM) Part Numbers are given as a reference tool only.