Product Details: Update your semi truck with ready-to-go carburetors, with the CRC Clean-R-Carb™ Carburetor Cleaner that ensures you're Ready for the Road Ahead™. Due to its specialized formula, this replacement cleaner is able to return a vehicle's carburetor to its best condition by removing deposits. Crafted with a multipurpose blend to be suitable for both gasoline and diesel engines. FleetPride is your First Click in Heavy Duty®.