waterline

Hi, The ice maker in my Whirlpool side-by-side is no longer producing ice, and after taking it apart and doing what I can, I'm 99% sure the issue is a significant blockage in the waterline somewhere in the freezer door. As I've tried to fix it, I've noticed the following: -There is ice...

Jenn-Air 48" wide with door water/ice dispenser has a cracked (broken off now) waterline where the line comes out of the bottom of the door (actually where it comes out of the gray plastic conduit or whatever it's called - see red circle in pic). I thought the line could be replaced based on...