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 : 94056 S10435 X10435 CH11675 EF28176 LF746 L28176 WL10056, Kit Includes: 6x Engine Oil Filter, Kit Variations: K56-100007 K56-100046 K56-100085 K56-100126 K56-100169 K56-100209 K56-100249 K56-100329 K56-100369 K56-100409, Part Reference Numbers : 94056 S10435 X10435 CH11675 EF28176 LF746 L28176 WL10056