For schematic location 4 only. Capacitor Discharge Unit (CDI) Unit Assembly, Part 0454334, and all other Polaris Engineered service parts, deliver unmatched performance and fit for your vehicle. 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. This Accessory is Designed to Fit the Following: RZR , 2009-2014 RZR 170