This is a A-RE519144 Sensor, Magnetic Pickup, Engine Speed PN: RE519144Main Description As Following : A-RE519144 Sensor, Magnetic Pickup, Engine Speed PN: RE519144 Found in Section & Models : Ignition & Electrical Parts > Gauges & Related Parts, John Deere ARTICULATED DUMP TRUCK: 250D, John Deere ARTICULATED DUMP TRUCK: 260E, John Deere ARTICULATED DUMP TRUCK: 300D, John Deere ARTICULATED DUMP TRUCK: 310E, John Deere ARTICULATED DUMP TRUCK: 370E, John Deere ARTICULATED DUMP TRUCK: 410E, John Deere ARTICULATED DUMP TRUCK: 460E, John Deere ATV/UTV: XUV 550 GATOR, John Deere ATV/UTV: XUV 625I GATOR, John Deere ATV/UTV: XUV 825I GATOR, John Deere ATV/UTV: XUV 855D GATOR, John Deere BACKHOE: 310G, John Deere BACKHOE: 310J, John Deere BACKHOE: 310K, John Deere BACKHOE: 310K EP, John Deere BACKHOE: 310L, John Deere BACKHOE: 310L EP, John Deere BACKHOE: 310SG, John Deere BACKHOE: 310SJ, John Deere BACKHOE: 310SK Associated Items : New Also A-JD-S-SM2046, A-CT-P-950WL81J7, A-JD-O-OMR46935, A-SMJD203, A-JD-O-OMR51902, A-JD-S-TM1053, A-JD-O-OMR65222, A-JD-S-TM1143 And : Tachometer / Crankshaft Position Replaces: RE43511, RE63919, RE71121, RE508195 Thread Size: M20 X 1.5 Volt: 12V-24V