Precise Fitment: 551699 Heater Core Bypass Hose with Clamps Features One End with a 5/8" Diameter and the Other End with a 3/4" Diameter, Designed to Connect Heater Core Ports with Different Sizes Securely. Includes Durable Clamps for Easy Installation and Leak-Free Sealing in Your Vehicle's Cooling System.
It Is a Replacement Part, Not Original Part. But It Can Work Good For You.