Went to fit a fuel pump pedestal on a type 1 engine yesterday. It wouldn't fit. It is a genuine used part going into a standard case. AR code. There is not a broken piece left in the case. The part number of the pedestal is 113-127-303 Part number seems the same for 1200 - 1600. Ordered a new one and it fits. Do they expand with time ?? I know they get stuck in the hole but presumed it was just gunk build up causing them to stick.