Where can I get this hose?

[BJH324JH]

I replaced the ruptured OEM hose on my truck with a straight hose. The original hose was curved, but when I went to the auto parts store to get an exact replacement, they didn't have it. So I used a straight hose instead, thinking it wasn't a big issue. While getting my truck ready for my new weber carburetor, I got a better view of the hose after removing the mikuni carburetor and it looks awful. I can now understand why the engineers decided to give the hose a curved shape. So that the water can flow better. (I'm such a dodo bird.) The straight hose I put on the truck looks like a kinked water hose. I can't believe the truck didn't overheat with such awful water flow. I theorize this might also be the culprit of why the heater doesn't work? Since I have easy access to the hose, does anyone know where I could get an oem replacement? Rockauto has some curved hoses but I don't remember exactly how the profile looked. If anyone can help me replace the straight hose with the proper hose, that would be awesome. Thank you.
Whats this hose called.jpg

Mystery Solved, thanks to MrPaco! The hose is part number: GATES 18816