High-frequency magnetic pickup speed and position sensor. Universally applied across hundreds of John Deere power units, agricultural tractors (5000 to 9000 Series), and severe-duty marine/industrial engines. Replaces RE519144.Equipment Fitment:John Deere Tractors: 5045D to 5115M, 6010 to 6930, 7130 to 7930, 8100 to 8530, 8225R to 8400R, 9100 to 9630, 9370R to 9620R, 9420RX to 9620RX; Combines: 9400 to 9870 STS, S430 to S790, X9 1000, X9 1100; PowerTech Engines: 3029, 4024, 4045, 5030, 6068, 6076, 6081, 6090, 6135 Series.