This is a A-401425R1 Radiator Hose, Upper PN: 401425R1Main Description As Following : A-401425R1 Radiator Hose, Upper PN: 401425R1 Found in Section & Models : Cooling Systems > Radiator Hoses, Case-IH INDUSTRIAL/CONSTRUCTION: 2544, Case-IH TRACTOR: 544 (FARMALL GAS), Case-IH TRACTOR: 544 (INT. GAS), Case-IH TRACTOR: 664 Associated Items : New Also A-IH-O-3121, A-IH-P-ENG-4DSL, A-IH-P-ENG14CYL, A-IH-S-544UTIL, A-IH-O-544, A-IH-P-ENG-4DSL, A-IH-P-ENG14CYL, A-IH-P-RMDSLPUMP, A-IH-P-544, A-IH-S-ELECDIA, A-IH-S-ENGD155, A-IH-S-ENG157, A-IH-S-HYDROTRN, A-IH-S-TOOLSLATE, A-IH-S-TUNEUP, A-IH-S-544, A-IH-S-544UTIL, A-SMIH202, A-IH-O-664, A-IH-P-ENGD239 And : New upper radiator hose with an inside diameter of 2". This radiator hose fits the Case-IH Tractor
544 (Farmall gas), 544 (International gas), and 664. Dim A (1): A - 2.000" I.D.