Throttle Position Sensor | Crusader R020041 Engine sensor that sends engine speed signal to the ECM. Multi-wire plug-in Original Crusader Replaces Crusader 49061 Replaces Holley 9920-104 Replaces Marine Power 462856 Replaces Indmar 556103 Replaces Quicksilver 8M0097035 Replaces Volvo 3857487