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 : 95160 S11534 X11534 CH12288 EF21507 L21507 PL21507 WL10438, Kit Includes: 9x Engine Oil Filter, Kit Variations: K56-100452 K56-100465 K56-100478 K56-100491 K56-100504 K56-100517 K56-100530 K56-100543 K56-100556 K56-100569, Part Reference Numbers : 95160 S11534 X11534 CH12288 EF21507 L21507 PL21507 WL10438