Difference between Caliper Casting Numbers?

[James_T]

I'm one of the unlucky 4th gen owners that ran into a frozen caliper in the front right calipers, so I ordered a Raybestos reman from Rockauto. I checked my brake disc size and it came out to very close to 12.5", so I went ahead and ordered them.

My current (frozen) caliper casting number is 13WG, but I just received my Raybestos reman today, and the casting number is 13WL. Will there be a difference between the two? Can I still use the 13WL caliper?

 

[03v8sportt4r]

Looking though some info with different reman companies, I see different calipers for wagner but with raybestos I only see one option. Still digging for more info to see what the difference is. Looks like there are 3 options.