This is a A-2N8100A Cap, Radiator (4 Lb.) PN: 2N8100AMain Description As Following : A-2N8100A Cap, Radiator (4 Lb.) P.N: 2N8100A New 4 lb. radiator cap that fits multiple Ford/New Holland Tractor models. Crossed From: HF2N8100A , , 1106-6111 , , 2N8100A-LW , Found in Section & Models : Cooling Systems > Radiators and Related Parts, Case-IH INDUSTRIAL/CONSTRUCTION: 480B, Case-IH INDUSTRIAL/CONSTRUCTION: 480CK, Case-IH INDUSTRIAL/CONSTRUCTION: 530CK, Case-IH INDUSTRIAL/CONSTRUCTION: 580B, Case-IH INDUSTRIAL/CONSTRUCTION: 580CK, Case-IH TRACTOR: CUB (SN 248125>), Case-IH TRACTOR: CUB 154, Case-IH TRACTOR: CUB 184, Case-IH TRACTOR: CUB 185, Case-IH TRACTOR: 200, Case-IH TRACTOR: 200B, Case-IH TRACTOR: 210B, Case-IH TRACTOR: 211B, Case-IH TRACTOR: 300, Case-IH TRACTOR: 300B, Case-IH TRACTOR: 311, Case-IH TRACTOR: 311B, Case-IH TRACTOR: 312, Case-IH TRACTOR: 312B, Case-IH TRACTOR: 400B Associated Items : New Also This is An Aftermarket Product And : New 4 lb. radiator cap that fits multiple Ford / New Holland Tractor models.