I went by the ford dealer to grab a couple things. Figured I would pick up an oil filter while I was at it. The parts guy told me the 2051 was superceded by the 2124 and that it was roughly double in price, 56$. I was a bit jaw dropped but told them to put it with my order. Afterward I came on the stroke to see what info was on here about it and didn't see anything. There is a good YouTube video cutting apart the 2 and doing a comparison.
By the way, autozone sells them for 22$...
By the way, autozone sells them for 22$...