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 : 84061 S5610 X5610 CH9999 EF35610 LF615 L35610 57061, Kit Includes: 2x Engine Oil Filter, Kit Variations: K56-100073 K56-100112 K56-100141 K56-100185 K56-100225 K56-100265 K56-100305 K56-100345 K56-100385 K56-100425, Part Reference Numbers : 84061 S5610 X5610 CH9999 EF35610 LF615 L35610 57061