Please Note:Be sure to clean the air conditioning system before installation, otherwise it will cause compression broken Replace OEM Number:57463, 58463, 11157463, 10362700, CO 10759C, BP4S61K00 Fitment:2004-2009 Mazda 3 2.0L2004-2009 Mazda 3 2.3L2006-2010 Mazda 5 2.3L2009 Mazda 3 SPORT 2.0L Package Includes:1 x Air Conditioner CompressorNote：* Please make sure the installation site is clean. Or, it will cause operating obstruction, even make the temperature of the compressor very high, and the belt on the clutch may melt.* Because the item is with oil when sent to you, so there is no need to add oil when you use it the first time. But you need to add the refrigerant , please add about 500g, don't need to fill up. There may be noise if the refrigerant is added too much.* No installation instruction included, professional installation is highly recommended.Our products shipped from the United States, quickly arrived through logistics such as UPS/USPS/FEXDEIf you have any questions, please contact us and we will respond to your information within 24 hours.If you are dissatisfied with our products, we will accept your return and refund you