One New Aftermarket Replacement Tachometer Adapter Fits Ford/New Holland Tractor models: 2610, 2810, 2910, 3610, 3910, 4110, 4610, 5110, 5610, 6410, 6610, 6810, 7410, 7610, 6710, 7710, 6610O, 7610O, 2600-5600, 5700- 7600, 2310, 4100, 3230- 5030, 550, 555, 555A-B, 655, 655A , 420, 535, 333, 334, 335, 231, 233, 234, 515, 530A, 531, 532, 230A, 345, 445 C-D, 545C-D, 345C-D
Replaces Part Numbers: D3NN17N264B, 81873710, 87800006, E3NN17N264AA , E4NN17N264AA, E9NN17N264AA, F1NN17N264AA, F1NN17N264AB

Models This Part Fits:

230A, 231, 2310, 233, 234, 250C, 2600, 260C, 2610, 2810, 2910, 3230, 333, 334, 335, 340, 340A, 340B, 3430, 345, 345C, 345D, 3600, 3610, 3900, 3910, 3930, 4100, 4110, 4130, 420, 445, 445A, 445C, 445D, 450, 455, 455C, 455D, 4600, 4610, 4630, 4830, 5030, 5110, 515, 530, 531, 532, 535, 540, 540A, 540B, 545, 545A, 545C, 545D, 550, 555, 555A, 555B, 5600, 5610, 5700, 5900, 650, 6500, 655, 655A, 6600, 6610, 6700, 6710, 750, 755, 755A, 7700, 7710, Made to Fit Ford Models: 540Additional Information: 2.170″ Outer Diameter Base1975 and Later

Reference Numbers:

81873710, 87800006, D3NN17N264B, D8NN17N264AA, E3NN17N264AA, E4NN17N264AA, E9NN17N264AA, F1NN17N264AB