rear sdu motor reduction box bearing kitFront SDU Motor & Reduction Box Bearing and Gasket Kit Kit includes: SKF hybrid ceramic rotor shaft bearing 1 pc SKF primary shaft bearing 1 pc SKF reduction box bearings 4 pcs CORTECO Output shaft seals 2 pcs Typical Repairs Addressed Insulation breakdowns Rotor main bearing failures Reduction box noise Compatible With: Tesla Model S (2012 2021) 60, 70, 75, 75D, 85D, 90, 90D, 100D Tesla Model X (2015 2021) 75D, 90D, 100D