Quinton hazell qh are the largest aftermarket manufacturer distributor of motor components in the uk with a strong presence in every market sector of the european aftermarket qh are also building an increasingly strong position as an oe component supplier to many of europes leading car manufacturers brand quinton hazell part sensor crankshaft pulse reference xrev407 technical specification resistance ohm 550 cable length mm 850 sensor type inductive sensor number of poles 3 n