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 : 84330 S5843 X5843 CH10632 LF659 L35843 57330, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100010 K56-100049 K56-100135 K56-100160 K56-100200 K56-100240 K56-100280 K56-100320 K56-100360 K56-100400, Part Reference Numbers : 84330 S5843 X5843 CH10632 LF659 L35843 57330