Description:Detection of engine speed, piston end position and end signal of ignition cylinder.The crankshaft position sensor is made of good plastic and metal, durable, use for a long time.Note: The crankshaft position sensor provides good performance for the car's crankshaft. Easy to install, please make sure your car model and OE number before ordering.This is a non-OEM product, accessory only!Specification:OE Numbers: BP4W18221A, BP4W18221B, J5T27071Color: BlackVoltage: DC 12VSize: 40x4.5cm / 15.75"x1.77"(L*W)Material: Metal, PlasticPin Numbers: 3Hole Diameter: 7mm / 0.28"Fitment:for Mazda Miata 10th Anniversary, Base 1.8L L4 - Gas 1999for Mazda Miata Base, LS, SE 1.8L L4 - Gas 2000-2002for Mazda Miata Base, LS, SE, Shinsen 1.8L L4 - Gas 2003for Mazda Miata Base, LS, Mazdaspeed 1.