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 : 95515 S10259 X10259 CH11473 LF744 L18182 WL7515, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100005 K56-100044 K56-100139 K56-100188 K56-100228 K56-100268 K56-100308 K56-100348 K56-100388 K56-100428, Part Reference Numbers : 95515 S10259 X10259 CH11473 LF744 L18182 WL7515