The Yukon magnetic fill plug for Jeep Hardcore differential covers features a built-in magnet and a 1/2"-14 NPT thread to attract and trap metal particles inside the differential. Yukon positions this plug as a heavy-duty, easy-to-install service item that aids fluid maintenance and helps prevent circulating debris from accelerating wear. It’s described as precision-fit and compatible with the specified diff cover connection.
Yukon Gear Magnetic Fill Plug For Jeep Hardcore Diff Cover 1/2in -14 NPT