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 : 94008 S10234 X10234 CH11490 EF591J LF692 WL10008, Kit Includes: 8x Engine Oil Filter, Kit Variations: K56-100445 K56-100458 K56-100471 K56-100484 K56-100497 K56-100510 K56-100523 K56-100536 K56-100549 K56-100575, Part Reference Numbers : 94008 S10234 X10234 CH11490 EF591J LF692 WL10008