Product_description: ['Radiator Hose, Lower. PART NO: A-130271C1. New lower radiator hose with an inside diameter of 2.5" on the smaller side and 2.625" on the larger side. This radiator hose fits the Case-IH Tractor 3488 and 3688. Dim A (1)A - 2.500" I.D. Dim B (2)B - 2.625" I.D. . MODELS: Case-IH TRACTOR: 3488 Case-IH TRACTOR: 3688.'] (Page 1)