I'm trying to figure out a correct size of the copper crush washers in my IP for the delivery valve pressure holder seat.
I had a long chat with the MB parts guy at the local dealer, and he even called a guy in MB Classics to verify a correct part number for the seal ring, but the part number that they are giving me is 0229974348 (matched up to Bosch 1410210052), which in the part reference data bases is described as "rubber ring".
The other part number for the crush washer that I came up with from this link
http://autokit.com.ua/original/mb/F/car/126.120/68P/617.951/67K/07/045/p/1
is 0000741759, which matched Bosch 1410105020, he said is for model year '85 and up.
So I would like to get the Bosch number for my IP and call a Bosch shop, so they could match me up with the right crush washer.
I looked around the IP, but I can't seem to spot that Bosch number... Where on the IP is it stamped? And is it just a pump part number or the serial number for the particular pump?
(Same car as in my signature).