steering cable

Having a lot of trouble finding the replacement steering cable it does not have the model number on the current one, hoping someone on here knows what the replacement cord is so I can get on the water this weekend. Thx.

First and biggest problem: The steering cable has corroded in the guide tube (Stainless cable and Auminum guide tube). I was told this is common and if I take it to a boat dealer for the repair, The estimated cost is $500 or maybe a little less. It don't look to hard to replace if I can find the...