For schematic location 4 only. Jam Nut, Part 7547031, 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..
