ACDelco 75W85 GL-5 Differential Oil is specially recommended for ZF limited-slip differentials with carbon lining. This high-quality synthetic lubricant provides superior viscosity to protect the moving components of the axle. It ensures reliable performance in demanding conditions, extending the life of the differential and maintaining smooth operation. Ideal for those looking for a high-viscosity lubricant to safeguard the key components of their vehicle’s axle.