Efficient filter media offers increased dirt-collecting capability and ability to capture more engine-harming particles, Advanced engine protection, Premium gasket included, Anti-drain back valve holds a reserve of oil in the filter to help protect the engine during start-ups, Built for both synthetic and conventional oils, Part Reference Numbers : 84189 S10002 X10002 CH11007 EF25904 LF665 L25904 57189, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100441 K56-100454 K56-100467 K56-100480 K56-100493 K56-100519 K56-100532 K56-100545 K56-100558 K56-100571, Part Reference Numbers : 84189 S10002 X10002 CH11007 EF25904 LF665 L25904 57189