Brand new replacement A-arm to bearing carrier bushing! This replaces Polaris part number 5437651. The part is number 18 in the photo above. Bushing is 1" outside diameter where it goes into the a-arm and 1.9" overall length. Sold EACH. Fits the rear lower a-arms where it attaches to the bearing carrier on the following models: 2013-18 Scrambler 850 2014-18 Scrambler 1000 2009-14 Sportsman 550 (All models) 2009-18 Sportsman 850 (All models) 2015-18 Sportsman 1000 (All models) 2015 RZR-4 900 2015 RZR 900 60"