Highlander 4WD V6-3.0L (1MZ-FE) (2003)
Fluid - Differential: Fluid Type Specifications
Differential oil
Oil grade ....................................................................................................................................................................................... Hypoid gear oil API GL-5
Viscosity Above -18° C (0° F) ................................................................................................................................................................................... SAE 90
Viscosity Below -18° C (0° F) ............................................................................................................................................................ SAE 80w or 80w-90w