Originally Posted by Cozi70

The 2 seals on their own are on ebay item number 281207212663 @�3.95.

The piston needs removed to fit them anyway but this helps evaluate and remove any caliper corrosion at the seal recess and inspect the piston circumference condition.
Could remove the piston through fluid pressure or air pressure. As you say clean all bits and reassemble with red rubber grease.