Mercedes Glow Plug W120 & W121 (OM636/621) - 000 159 06 01, 0001590601
Original equipment Bosch Glow Plug for the early OM636 & OM621 Engines.
Is your diesel hard to start in the mornings?
Seems like it is not running on all cylinders initially after starting!
It may be that one of your glow plus is not functioning properly.
Use these OEM components from Bosch to fix the problem.
Please ensure that you have the correct parts for your vehicle.
A000 159 06 01
000 159 06 01