Front Differential Kit For Polaris Sportsman 850 2015-2021Premium Quality Replacement Part Front Differential kit ForPolaris Models: Ranger 570 EFI 2014-2015Ranger Crew 570 EFI 2014-2015Ranger ETX 2015Scrambler XP 1000 2014-2021Sportsman XP 1000 High Lifter 2019-2021Scrambler XP 850 2014Scrambler 1000 2015-2017Scrambler 850 2015-2018 2020Sportsman 1000 High Lifter 2017-2018Sportsman 850 2015-2021Sportsman 850 High Lifter 2016-2021Sportsman 850 SP 2015-2018 Order Includes: 1x Ring Gear & Pinion Gear Set :3239382 3235636 3236305 3235711Ring Gear Outer Diameter :139mm | 5.47" Inner Diameter :75.75mm | 2.98" Height :54mm | 2.12" Pinion Gear Height :100mm | 3.93" Pinion Gear Spline Diameter :24mm | .94" Pinion Gear Big Gear Diameter :43.6mm | 1.71" 1x Front Differential Seal :3236671, 3235434 Inner Diameter : 25 mm | 0.98 " Outer Diameter : 32.12 mm | 1.26 " Width : 6.60 mm | 0.25 " 2x Oil Seal :3233956 Inner Diameter : 29.5mm | 1.16 "Outer Diameter : 40.1mm | 1.57 "Width : 4mm | 0.15 " 1x O Ring :2203729 2x O Ring :2203738 2203739 1x O Ring :3236671 3235434 24x Rollers :3234393 3235624 Length : 19mm | 0.74 " 1x Front Differential Armature Plate :3236048 3235485 Inner Diameter : 69 mm | 2.71 "Outer Diameter : 113.5 mm | 4.46 "Thickness : 1.51 mm | 0.06 " 1x Aluminum Roller Cage :3234907 3235261 32352633234466 3234394 3235262 Outer Diameter :73mm | 2.8" Width :52.5mm | 2.0" 1xFront Differential Retainer:3235490 Inner Diameter : 95.2 mm | 3.74 "Length : 118.7 mm | 4.67 "Width : 14 mm | 0.55 " 1xFront Differential Housing Plastic:3236667 3235634 Inner Diameter : 121.8 mm | 4.79 "Length : 138 mm | 5.43 "Width : 11.1 | 0.43 " 1x Output Hub:3236674 3235910 Length: 106.5mm | 4.19 "Width: 91.5mm | 3.60 "Shaft diameter: 24.5mm | 0.96 "