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 : 84341 S6162 X6162 CH9713 EF16162 LF669 L16162 57341, Kit Includes: 2x Engine Oil Filter, Kit Variations: K56-100077 K56-100116 K56-100145 K56-100181 K56-100221 K56-100261 K56-100301 K56-100341 K56-100381 K56-100421, Part Reference Numbers : 84341 S6162 X6162 CH9713 EF16162 LF669 L16162 57341