9500 01 002 MAN Compatible Manual Feed Hand Pump

What does a manual feed hand pump do?

This manual feed hand pump serves as a critical component within the low-pressure fuel system, specifically designed for heavy-duty diesel applications. Its primary function is to draw fuel from the tank and deliver it to the filter and injection system, while simultaneously allowing technicians to bleed trapped air out of the fuel lines through manual priming.

Vehicle and engine compatibility

This component is compatible with MAN trucks and other heavy commercial vehicle applications. It works effectively alongside the fuel filter and injection pump to ensure a steady flow of fuel, even after maintenance or during cold starts where air might be present in the lines.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine fuel filter replacements. Ensuring that the internal valve assembly and seals are intact prevents air ingress and maintains suction strength. Regular checks of the mounting points and connection lines are recommended to prevent leaks within the fuel delivery circuit.

Troubleshooting and system integrity

Maintaining a clean connection point is essential when performing manual priming to prevent contaminants from entering the high-pressure side of the engine.

OE cross-reference

9500 01 002 (Manual Feed Hand Pump) is the equivalent of the Hengst and MAN OE numbers. This part directly replaces Hengst OE number H16K01. It also replaces MAN OE numbers 51121500000, 51121500001, 51121500002.