Bosch Injection Pump

How do I know the part number of my fuel injection pump?

The BOSCH Injection Pump number is stamped on the side of the injection pump. For common rail pumps a black label is stuck on one side of the pump . The basis of BOSCH product number is a base ten digits composed of a first character followed by a blank and three groups of three characters separated by a space.

How do I know when my diesel pump needs replacing?
1. Engine Sputter and will Not Run Smoothly. 2. Engine Misfire. 3. Weak Engine. 4. Difficulty Starting or Car Won't Start at all. 5. Smoky Exhaust. 6. Lag in Acceleration. 8. unusual noise. 9. engine Overheating. 10. Power surge. 11. Check Engine Light.