This differential kit comes with an upgraded pinion bearing. This bearing and seal kit is compatible with the following models
2013 – 2019 Arctic Cat 1000 Wildcat X / 4X
Arctic Cat Wildcat X 4X Rear differential bearing & seal kit 1000 2013 – 2019
Arctic Cat Wildcat X 4X Rear differential bearing & seal kit 1000 2013 – 2019