Free Delivery. Lithium grease excels in weather and temperature resistance and has a number of uses. It is best suited for metal-to-metal applications due to its non-corrosive properties. Lithium grease provides lubrication and prevents rust on exposed metal. If you've noticed a squeak due to movement on your vehicle, it might be caused by a part that should be greased. Lithium grease is great for use on car door hinges, ball bearings, chassis parts, and more.