Peugeot ECU Up for sale is a Working, in excellent condition Peugeot 505 Diesel ECU. Bosch Part number-- 0 281 001 006 (0281001006). This unit is from an 85 505s, this ECU should also work with other turbodiesel Peugeots of the same vintage as well, but its your best bet to check the part number on your ecu.. These units have never been very common, and as they get older the chances of finding a good one gets lower and lower, so buy it now or you might regret it!