Polaris 2879412 - Replacement MPN: POL_2889023 Polaris Engineered and developed specifically for the Polaris Slingshot. Designed to reduce friction and wear in high-speed, high-torque, limited slip differential applications. Extreme pressure, anti-wear, high viscosity film lubrication. Excellent corrosion protection. 1 Quart Bottle (12oz) Polaris Full Synthetic Transaxle Oil Fluid 75W-140 # 2879412.