One New Aftermarket Radiator Hose Set Tech Info: -(1) Radiator Inlet Hose -Inner Diameter: 1-3/8" -Number of Bends: One 90 Degree Bend -Type: Water Pump to Cylinder Block -Replaces: 732443M1 - -(1) Upper Radiator Hose -1.50" Inner Diameter -1.75" Inner Diameter -Replaces: 186654M1 - -(1) Lower Radiator Hose -1-7/16" Inner Diameter -Replaces: 186619M1 - -(1) By-Pass Radiator Hose -1.5" x 1.2" x 1.2" -Replaces: 747942M91 Made to Fit Perkins: Engines Models: 4-203 Replaces Part Number(s): U5MH0001, 732443M1, 747939M91, 34821422, 81716746, 000E5CJ9, AJR4174, HM732443, VPE4044, 3604413M1, 731282M1, 732443V1, 927805, 34824122, 81716946, E5-CJ9, E5CJ9, 186654M1, 827930M1, 936073, VPE4023, 187554M1, 186619M1, 186619M2, 200080, 747942M91, 742316M1, 731136M1