Crankshaft Pulley B230 with Power Steering Diameter: 120mm Number of Grooves: Two Color: Silver Slot for Trigger Wheel: Yes. This trigger wheel fits Part No: TW13878361 and TW13878602 We also offer a crankshaft sensor here: SPDBVG2 Note: There is -also- a slot for a 5.7mm keyway if using a steel gear. This allows it to fit both with steel gears and the original crankshaft gear. If using the trigger wheel on the inner side of the belt pulley, some of the plastic around the timing belt cover near the trigger wheel needs to be removed.