Quaker State gear lubricants are developed to provide outstanding protection for all types of severe driving conditions—just as our motor oils are. Designed to reduce wear, stress and heat, they also protect against rust and corrosion and are formulated to resist oxidation, foaming and deterioration. It is important to note that all gear lubricants are not the same. To promote top performance of your vehicle, please consult your vehicle manufacturer's specifications prior to servicing to determine proper viscosity grade and API classification.

Quaker State^® Full Synthetic gear lubricants are formulated for differentials and transmissions in high-performance and heavy-duty applications. These thermally stable products are suitable for vehicles with manual transmissions and conventional or limited-slip (GL-5 only) differentials, especially where extremely low temperature shifting can be a problem. Special additives reduce bearing and gear distress, provide protection against rust and corrosion, and minimize chatter, oxidation and foaming.

Formulated for use in passenger-car and light-truck differentials, manual transmissions and gearboxes, Quaker State^® conventional gear lubricants provide many car dealers, fast lube shops and auto part stores with the high-quality gear lubricants customers demand.