Brake Caliper Assembly, Left, 1.375 in, Part 1912123 is a genuine OEM brake caliper assembly. It’s designed and tested by Polaris engineers to ensure durability. With over tens of thousands of miles and thousands of hours of field and lab validation testing, trust your brake parts are high quality and built for optimal performance. Spend less time fixing your vehicle and more time playing. We’ve been a leader in the powersport industry since 1954. Don’t settle for anything less than OEM quality. This Accessory is Designed to Fit the Following: Ranger , 2021-2025 RANGER CREW 570 Full-Size , 2021, 2015 RANGER CREW 570 , 2021 RANGER CREW 570 Premium