Abstract: A cooling apparatus for an optical module includes a pedestal including a first pedestal surface and a second pedestal surface, wherein the first pedestal surface is attached to an outer surface of an optical module. A first boss and a second boss extends from opposing ends of the second pedestal surface, the first and the second boss define a first and a second opening having respective first and second through-apertures extending from the first and second openings through the pedestal to the first pedestal surface. A first manifold is attached to the first boss and configured to supply a liquid to the first through-aperture. A second manifold attached to the second boss and configured to receive the liquid from the second through-aperture.