This is a A-D6NN9601B Air Filter PN: D6NN9601BMain Description As Following : A-D6NN9601B Air Filter P.N: D6NN9601B Outer Filter Stocked As: A-E9NN9B618AA , Crosses To: A-AF1855 FORD / NEW HOLLAND Found in Section & Models : Filters > Air Filters, Ford / New Holland TRACTOR: 231, Ford / New Holland TRACTOR: 250C, Ford / New Holland TRACTOR: 260C, Ford / New Holland TRACTOR: 334, Ford / New Holland TRACTOR: 4610SU, Ford / New Holland TRACTOR: 4830, Ford / New Holland TRACTOR: 5030, Ford / New Holland TRACTOR: 530A, Ford / New Holland TRACTOR: 6600C Associated Items : New Also A-FO-O-231, A-FO-O-231335, A-FO-P-2600, A-FO-S-230A231, A-FO-O-250C260C, A-FO-O-250C260C, A-SMFO41, A-SMFO47, A-FO-O-230A, A-FO-S-230A231 And : Outer Filter