Get your semi truck Ready for the Road Ahead™ with well-oiled mechanical components, with the Liquid Wrench Lubricating Oil Spray. Thanks to its ability to create a thin layer of lubricant, this replacement oil is able to prevent squeaks , squeals, and chirps while also stopping parts from sticking together. Built with a specialized formula to protect against rust and wear. FleetPride is your First Click in Heavy Duty®.