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 : 84033 CH8806 LF512 L15309 57033, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100026 K56-100065 K56-100130 K56-100158 K56-100198 K56-100238 K56-100278 K56-100318 K56-100358 K56-100398, Part Reference Numbers : 84033 CH8806 LF512 L15309 57033