These grease zerks are used on a ton of Polaris ATV's and Rangers on prop shafts, steering stems, control arms etc. These tend to plug up and then you cannot grease the machine. Replace them before the lack of grease causes damage. Exactly the same as Polaris 7080510. (Sold EACH) Fits these models and more: Xplorer Trail Boss Trail Blazer Sportsman Ace Scrambler Sport 400L RZR Ranger Magnum Outlaw General Big Boss We make every attempt to ensure every items fitment is accurate. We do the testing on each item before its listed for sale to ensure fitment and quality. Items may fit multiple years and models listed. Returns are subject to 15% restocking fee.