Just pulled my injectors from my automatic 1996 CA 2500. Trying to make sure they're stock and the PO didn't already replace them. Top number is 6818. Numbers by the Bosch symbol are: 939 (circled), KDAL, 59P6, and 661. Rated as 260 Bar. Are these stock? Couldn't find the numbers on the nozzle; too much crud cooked on. Thanks for any help.