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 : 95209 S10383 X10383 CH11885 EF28209 L28209 WL7522, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100449 K56-100462 K56-100475 K56-100488 K56-100501 K56-100527 K56-100540 K56-100553 K56-100566 K56-100579, Part Reference Numbers : 95209 S10383 X10383 CH11885 EF28209 L28209 WL7522