vacuum pump for early W123 240D

I can also pull up torque specs, installation steps and recommended service intervals for your particular year.
Even On the W123 240D (and other early Mercedes diesels with the OM 615/OM 616/OM 617 engines) the engine-driven vacuum pump serves several key functions, If you’re replacing the vacuum pump, here are important considerations:
Correct part number and configuration: Many sources list the genuine part as e.g. Mercedes part number 000 230 1365 (single-port style) for the W123 diesels. Single-port vs dual-port version: One listing mentions the “single port” version vs a “dual port” pump (for early vs later) and that you have to match the mount and vacuum-port orientation