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 : 84186 S5234 X5234 CH9954 EF35234 LF604 L35234 57186, Kit Includes: 12x Engine Oil Filter, Kit Variations: K56-100036 K56-100075 K56-100114 K56-100143 K56-100162 K56-100202 K56-100282 K56-100322 K56-100362 K56-100402, Part Reference Numbers : 84186 S5234 X5234 CH9954 EF35234 LF604 L35234 57186