Equivalent Charge Air Cooler, replaces the Perkins "Breadbox" 

Perkins Charge Air Cooler ("Breadbox") equivalent heat exchanger

Perkins Charge Air Cooler ("Breadbox") equivalent heat exchanger, for 185 HP straight 6 engine; Perkins number 2486823. This heat exchanger fits all connections and uses the existing engine bracket (requires on hole 1-1/4" Dia. to be cut into bracket to clear unit drain). Orca equivalent part is shown above, original breadbox image is available on the right.

Engine Manufacturer Perkins Manufacturer Part No. 2486823, Equivalent, corrosion protected heat exchanger, copper and brass shell and fittings