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 : 84279 S10239 X10239 CH10992 LF661 L36290 57279, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100015 K56-100054 K56-100153 K56-100184 K56-100224 K56-100264 K56-100304 K56-100344 K56-100384 K56-100424, Part Reference Numbers : 84279 S10239 X10239 CH10992 LF661 L36290 57279