Feature: 1. Part Number: According to the original factory specifications, upper steering bushing reference OEM number is 5439731. 2. Applicable Model: Replacement for Polaris Ranger 400 500 570 800; Replacement for Polaris Ranger Crew 500 570 570‑4 570‑6 800 etc. 3. Durable Material: Made of high‑quality ABS plastic materials with excellent durability. Long service life, not easy to crack. 4. Direct Replacement: Stabilizer bar bushings are designed to match the fit and function of the original bushing on specified vehicles. 5. Rigorous Testing: Meet or exceed OEM manufacturing standards, precision‑engineered to match the design and dimensions of original components. Specification: Item Type: Upper Steering Bushing Material: ABS plastic Color: Black OEM: 5439731 Fitment: 2016-2019 Replacement for Polaris Ace 570 2013 Replacement for Polaris Ranger 400 2013 2017-2021 Replacement for Polaris Ranger 500 2014-2022 Replacement for Polaris Ranger 570 2010-2017 Replacement for Polaris Ranger 800 2013 Replacement for Polaris Ranger Crew 500 2014-2015 Replacement for Polaris Ranger Crew 570 2016-2021 Replacement for Polaris Ranger Crew 570-4 2016-2021 Replacement for Polaris Ranger Crew 570-6 2013-2014 Replacement for Polaris Ranger Crew 800 2015-2016 Replacement for Polaris Ranger Diesel 2015-2016 Replacement for Polaris Ranger ETX 2011-2014 Replacement for Polaris RZR 4 800 2012-2017 Replacement for Polaris RZR 570 2008-2014 Replacement for Polaris RZR 800 2016-2017 Replacement for Polaris RZR XP 2016-2017 Replacement for Polaris RZR XP 4 2011-2012 Replacement for Polaris Scrambler 500 2016-2020 Replacement for Polaris Scrambler 850 2016-2020 Replacement for Polaris Scrambler XP 1000 2011-2014 Replacement for Polaris Sportsman 400 2016-2021 Replacement for Polaris Sportsman 450 2011-2013 Replacement for Polaris Sportsman 500 2014-2022 Replacement for Polaris Sportsman 570 2011-2014 Replacement for Polaris Sportsman 800 2016-2021 Replacement for Polaris Sportsman 850 2014-2015 Replacement for Polaris Sportsman Ace 2015 Replacement for Polaris Sportsman Ace 570 2017-2021 Replacement for Polaris Sportsman X2 570 2016-2017 Replacement for Polaris Sportsman XP 1000 2012-2013 Replacement for Polaris Trail Blazer 330 2012-2013 Replacement for Polaris Trail Boss 330. Package List: 2 x Upper Steering Bushing Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!