Upper Control Arm, Left, Part 1824535-309, and all other Polaris Engineered service parts, deliver unmatched performance and fit for your vehicle. Each one is extensively tested in the field and meticulously crafted to match your machine. All service parts are engineered specifically for your machine. Which means everything is designed, tested and perfected to maximize the life of your ride. Getting Polaris Engineered parts is a decision that pays off in the long run, because it ensures there is a long run. 2019 850 SKS 155 2019 850 SKS 146 2018-2019 800 SKS 155 2018-2019 800 SKS 146 2018 800 Pro RMK 163 3 Inch 2018 800 Pro RMK 163 2018 800 Pro RMK 155 3 Inch 2018 600 Pro RMK 155 2017-2018 800 Pro RMK 155 2017 800 RMK SKS 2017 800 PRO-RMK 163 3" LE 2017 800 PRO-RMK 163 3 Inch 2017 800 PRO-RMK 163 2017 800 Pro-RMK 155 3 inch 2017 800 PRO RMK 155 LE 2017 600 PRO-RMK 155