Upper Radiator Hose
CTPA-4950088 Replacement Part to Fit:  Fiat For Models: (450, 450DT ALL W/ 8035.01 OR 8035.02 ENGINE), (480, 480DT, 500, 500DT, 540, 540DT ALL W/ 8035.02 ENGINE), 550 W/ 8045.01 ENGINE, (600, 600DT, 605C SUPER, 640, 640DT ALL W/ 8045.02 ENGINE) 1.75" dia.  Price:  $7.03  Buyers Club Price:  $6.33