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 : 84083 S8113 X8113 CH9461 EF38113 LF553 L38113 57083, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100020 K56-100059 K56-100122 K56-100173 K56-100213 K56-100253 K56-100293 K56-100333 K56-100373 K56-100413, Part Reference Numbers : 84083 S8113 X8113 CH9461 EF38113 LF553 L38113 57083