Autoventil AD produces valves and valve guides for all types of engines with internal combustion. Its products include valves and valve guides for passenger cars and freight truck engines, tractors, tow-boats, railways, civil engineering and mining heavy duty vehicles and machinery. It also manufactures other valve assembly parts, such as: valve tappets, tappet pushrods, spring cups and rocker arm and engine-head screws. The company was founded in 1957 and is headquartered in Uzice, Serbia.