The difference? Diesel Radiators Manual/Auto

Gentlemen,

Does anyone know the difference between a DSE Manual Radiator and a DSE Automatic Radiator?

How come Rimmer Bros/ p38 spares sell separate units for manual and auto, yet on ebay you can have a 'universal' fitment fro both auto and manual?

Cheers

the only difference is the manual p38 has the gearbox oil cooler built in the bottom of the radiator where as the auto has a seperate oil cooler, most firms sell the manual radiator for both and if you fit it to an auto model obviously you would have two fittings not used on the radiator.