Set of 10 fuel injector heat shields washers. Fit all Mercedes all cast iron diesel engines from the mid 60s 190D up to the 1985 300D and 300SD turbo. For best performance these must be change every time your remove your injectors to clean or replace. If you have a four cylinder order 2 packs. That will give you a total of 20 or 5 injector service cycles. Comes with complete instructions.
Only one set of these instructions will be included when ordering more than one item that includes this specific instruction sheet.