Just had my driver side rear caliper freeze. Ordered rotors and pads on Amazon, same ones I previously swapped out (in 2017). Ended up getting calipers from local Nissan dealer for reasons (I now wish I hadn't but here I am overpaid), "aftermarket" calipers, which are these:

https://www.napaonline.com/en/p/SEBS...dInput=caliper - driver
https://www.napaonline.com/en/p/SEBS...dInput=caliper - passenger

Installed driver side fine, bled brake line, all good.
Got passenger bracket on, pads in, ready to close it...caliper will not go over pads. Upon further inspection, passenger caliper is almost 1/2 inch tighter than driver side and the OEM I'm replacing?? Did I (dealer) just get the wrong part or am I missing something? The originals were both the same size (and same size as the driver's new one).

Thanks for the input!


Original, 2" opening

New, a little over 1.5" space??

Comparing the two

 

Right rear caliper on an X model should be Nissan part number 44001-EG50C

I'm guessing they accidentally gave you part number 44001-JK00A