'68 Barracuda Brake Caliper Question

I'm posting pics of a remanufactured A1 Cardone #18-4406, which is supposed to be for a driver's side front. I'm also posting a pic of the caliper that was taken off the car's driver side front. They do not match. I'd appreciate any help in figuring out why they aren't the same. Thanks in advance for your help!

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