Features:Reference part number: 11368617693, 8617693, 11368684921, 11367608789, V20-4651.Vehicle fitment: this exhaust camshaft adjuster is compatible for the following car models.Function: the camshaft adjuster changes the opening time of the intake and exhaust valves according to the work of the engine, so as to supply as much fresh air to the combustion chamber as possible and generate exhaust gas recirculation inside the engine. If your vehicle idles roughly, stalls frequently have a drop in engine power, stumbles frequently have reduced gas mileage or accelerates slowly, you need to replace it in time.Premium material: the camshaft adjuster is made of quality metal material, which has high strength and durability, sturdy and durable, which has a lo.