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The Ölkühler (oil cooler) was only fitted in the Leichter Panzer Spaehwagen Ausf.A thus making the research or the oil cooler for the 3.5 litre Horch V8 engine for our Sd.Kfz.223 Ausf.A quite a challenge. Only a handful of images remain and there is no surviving Ölkühler in the Sd.Kfz.223 ....