Tisco D8NN9278BB Oil Pressure Sending Unit Replaces Old Part Numbers:F1NN9278AA ,D8NN9278BD ,D8NN9278BC ,D8NN9278BA ,81873524 ,A603803 ,A 603803 ,1109-9503 ,11099503 ,747726 Fits FORD Industrial Tractor Models: 230A, 231, 233, 234, 250C, 333, 334, 335, 340A, 340B, 345C, 345D, 3500, 445, 445A, 445D, 4500, 455D, 515, 531, 532, 535, 540, 540A, 540B, 545, 545A, 545C, 545D Fits FORD Tractor Models: 2000, 250C, 2600, 260C, 2610, 3000, 3230, 3310, 333, 334, 335, 3400, 340A, 340B, 345C, 345D, 3500, 3600, 3610, 3910, 3930, 4000, 4110, 4130, 445, 445A, 445D, 450, 4500, 455D, 4600, 4600SU, 4610, 4610SU, 4830, 5000, 515, 531, 532, 535, 540, 540A, 545, 545C, 545D, 555, 555A, 555B, 5600, 5640, 5700, 6000, 6600, 6610S, 6640, 6700, 7000, 7010, 7600, 7610S, 7700, 7740, 7810, 7840, 7910, 8000, 8010, 8210, 8240, 8340, 8400, 8530, 8600, 8700, 8730, 8830, 9000, 9200, 9600, 9700, TW10, TW15, TW20, TW25, TW30, TW35, TW5 Fits FORD Tractor Loader Backhoe Models:555A, 555B, 555C, 555D, 555E, 575D, 655, 655A, 655C, 655D, 675D, 675E, 775; Fits New Holland Tractor Models: 9030, TB100, TB110, TB80, TB85, TB90, TS100, TS110, TS90