1、Applicable Model: Engine Coolant expansion tank is replacement for Mazda 3 all engine 2004 to 2009 , please confirm whether your model is applicable before buying. 2、OE Number: The part numbers for reference are 1224268, 1230994, 1330 955, 1355243, 1425193, 3M5H 8K218 AD, 3M5H 8K218 AF, 3M5H 8K218 AG, 3M5H 8K218 AH. 3、Good Sealing: Radiator coolant expansion bottle has excellent sealing performance, which can effectively prevent the leakage and evaporation of the coolant. 4、Additional Capacity: Radiator coolant expansion bottle can provide additional coolant capacity to the cooling system and prevent coolant overflow. 5、Excellent Replacement: Made of durable PP material, expansion tank has high durability, can be used to replace the old or broken one, easy installation.