ECOGARD X5230 Spin-On Engine Oil Filter for Conventional Oil - Premium Replacement Fits Jeep Liberty COMPATIBLE with 2005-2006 Jeep Liberty. BUILT for both SYNTHETIC AND CONVENTIONAL OILS. Proven to drive up to 5,000 miles between oil changes with confidence. GREATER ENGINE PROTECTION by optimally screening out 97% of harmful contaminants such as such as carbon, sand, dust and bits of metal before they can get into your engine. PREVENT DRY STARTS with by eliminating internal leakage during shutdown and startup through the use of an NBR anti-drain back valve (where required by OEM). WITHSTANDS FIVE TIMES ENGINE OPERATING PRESSURE for superior protection.