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 : 84059 S10001 X10001 CH11060 EF38165 L38165 57059, Kit Includes: 4x Engine Oil Filter, Kit Variations: K56-100009 K56-100048 K56-100138 K56-100171 K56-100211 K56-100251 K56-100291 K56-100331 K56-100371 K56-100411, Part Reference Numbers : 84059 S10001 X10001 CH11060 EF38165 L38165 57059