Ok I got mine from go2marine.com they have different sizes and types. Your old hose should still have what type it is on the side. But as long as ID matches and it has the wire inside it should be fine. One thing I noticed with mine was that the wire was thinner than the older ones I was replacing but they were smaller hoses for engine coolant not the big one for blower. Maybe give them a call and double check firstCould you give me a link?