Reddit reviews Motorcraft FL400S Oil Filter

Helps protect against engine wear by screening out abrasives, such as carbon, sand, dust and bits of metal before they can get into your oilPressure-relief valves help minimize the chance of contaminated oil circulating back into the enginePressure-relief valves also help maintain the supply of oil to the engine under extreme cold conditions or if the filter gets cloggedSteel cases are “ironed” for a precise fit, fluted to ease removal and painted to resist rustEfficient filter media offers increased dirt-collecting capability and ability to capture more engine-harming particles430CFRAFT OIL FILTER