> Canonical page: https://dieselfuelinjectionrepair.com/parts/diesel-lift-pumps/

> Summary: A lift pump supplies fuel toward the injection system; weak supply can imitate an injection pump or injector fault.

DIESEL PARTS / FUEL SUPPLY AND PRESSURE CONTROLS

# Diesel Lift Pumps

A dependable fuel supply starts with the right lift pump. Identify your engine and supply-pressure requirements before replacing a component.

Share your equipment and engine details along with the original component number. We can help you narrow down the fuel-supply or control part you need.

## Fuel delivery and system operation

Lift pumps feed fuel to the injection system. The required supply pressure, flow and mounting arrangement depend on the engine.

## Match the Right Part to Your Equipment

Identify whether the unit is mechanical or electric and provide its exact number and machine model.

Describe whether the system is low-pressure feed, high-pressure common rail or oil-assisted injection. Note where the component is mounted and what tests have been performed.

## Diagnose the system before replacing a control part

Check restrictions, filtration and supply-side symptoms before ordering a lift pump on the assumption of a high-pressure failure.

Pressure, flow, electrical commands, upstream restrictions and return-side behavior can produce similar symptoms. Confirm which circuit and part number are involved before selecting an item.

## Part Names and Identification

Other names include diesel fuel supply lift pump, transfer lift pump, low-pressure feed pump. Check the pump family, complete assembly number and engine application before choosing parts.

## Need Help Finding This Part?

Have a part number or photo of the original component? Include it with the engine or equipment model and quantity you need. We'll help review matching options and availability.

[Ask Our Parts Team](/parts/find-a-part/)

Looking for a specific component? Explore products listed in our store, or ask us about something you don't see online.

[Visit the Diesel Parts Store](/store/)

## Related Parts and Resources

- [Browse related fuel supply and pressure controls](/parts/fuel-systems/)
- [Get Help with a Part Number](/parts/find-a-part/)
- [Shop Diesel Parts](/store/)
- [Learn About This Fuel System](/fuel-injection/systems/fuel-supply-transfer-systems/)