ApplicationCompatible for Polaris Compatible for Sportsman 500 1998-2002 Compatible for Sportsman 400 2001-2002 Compatible for Sportsman 335 1999-2000 For Diesel 455 1999-2001 For Worker 335 1999 For Worker 500 2001SpecificationReplace OEM Number: 1910553, 1910366, 1910441, 1930818 Place on Vehicle: Rear Left or Right Quantity: 1x Brake Caliper (you will get the same as picture shows) Reminder: Always inspect rotors for cracks and replace as necessary for longer brake pad life.Note*Hardware included for a complete removal and replacement. Just bolt on, bleed and top off fluid and ride. * Professional installation is highly recommended (No Instruction Included) * For any needs please contact us