D3NN11N572A Years:1965 & Up Ignition Switch Gas Or Diesel W/O Cold Start Fits Ford Tractors:2000, 230A, 231, 233, 234, 2600, 2610, 3000, 333, 334, 335, 340, 3400, 340A, 3500, 3550, 3600, 3610, 4000, 420, 445, 4600, 4610, 5000, 515, 530A, 531, 532, 535, 540, 540A, 545, 5500, 5550, 6600, 6700. Also Replaces :C5NN11N572A,81806736,81838693.