Features:1OE Number: The referencing OE number of this front left hand brake master cylinder is 2050078, which is molded and designed depend on the original data. 2Fitment: The front brake master cylinder is a replacement for Polaris Big Boss 500 1998, replacement for Polaris Diesel 455 1999?2000, replacement for Polaris Magnum 325 2000. 3Function: Solve braking problems such as abnormal brake pedal behavior, improve the braking effect of the vehicle, and ensure your driving safety. 4Practical: Perfect fit for your ATV, made of sturdy metal material with solid construction, more impact resistant, wear proof and has long service life. 5Easy to Install: Stringently manufactured to meet the original standard, perfect replacement for the old or broken one, improving the time efficiency.Package included:1 x Front&nbspLeft&nbspHand&nbspBrake&nbspMaster&nbspCylinder1 x Bolt