1、OE Number: Air filter replacement number is 798452, 593260, 4247 5432K 5432 593260, 798339 for reference, please check the part number before purchasing. 2、Replacement For: Engine air filter fits for 550e 550ex 550es Eco Plus Series engines, which can provide maximum and accurate fitment. 3、High Compatibility: Filter compatible with 500 500e 550E 500ex 550ex 625e 675 625ex 675ex 675exi 725exi 09p000 09p702 eco plus 575ex series engines with filter paper. 4、Improve Service Life: Prevents the engine from inhaling air with foreign objects during operation, and improves the working efficiency and service life of the engine. 5、ABS Filter Paper: Air filter is made from preferred ABS and filter paper, firm and sturdy, which can directly replace the old or broken one without complicated operation.