An essential tool kit required to maintain the engine timing when removing the front vibration damper and should be used whenever the vibration damper is removed for instance when replacing the front crankshaft oil seal Applications: Audi, Seat, Skoda, Volkswagen Equivalent to OEM T10531 For replacement of engine timing chain Component T10531 Vibration Damper Holding Tool T10531/3 Crankshaft sprocket holding tool adaptor T10531/3 Crankshaft sprocket holding tool adaptor T10531/4 Crankshaft sprocket holding tool adaptor.