1Applicable Model: Fit for FX481V FX541V FX600V FX651V FX691V FX730V FX751V FX801V FX850V FX921V FX1000V; Fit for FS481V FS541V FS600V FS651V FS691V FS730V and more. 2Replace Part Number: Manufactured according to strict original specifications. Reference part numbers are 49019 7001, 49019 7005, 49019 0014. 3Direct Replacement: This engine fuel filter matches the fit and function of the factory part on specified models, is a reliable replacement part. 4Fuel System Protection: The fuel filter can prevent particles, water and impurities in the fuel, and ensure that the precise components of the fuel system are free from wear and other damage. 5High Performance: Provides the engine with clean, high capacity fuel, helps ensure smooth operation and optimum performance in extreme conditions.