AEM 400LPH High Pressure Inline Fuel Pump – M18x1.5 Female Inlet to M12x1.5 Male Outlet

Product Overview

AEM 400LPH High Pressure Inline Fuel Pump – M18x1.5 Female Inlet to M12x1.5 Male Outlet from AEM is identified by manufacturer part number 50-1009. 400lph Inline High Flow Fuel Pump. 400LPH@40psi, 300LPH@120psi. M18x1.5 Inlet & M12x1.5 Outlet. Includes Fuel Pump, installation instructions, check valve fitting, wiring terminal ends/covers/nuts.

Key Features

• Designed for compatible fuel-delivery systems; verify fuel type, flow requirement, pressure, electrical demand, fittings, and installation format.
• New AEM component supplied in the configuration shown and described on this page.
• Exact application and included components should be verified before installation.

Fitment

AEM 50-1009 is a universal or specification-matched component. Confirm dimensions, connectors, ranges, ports, fittings, electrical requirements, and system compatibility before ordering.

Specifications

What’s Included

The exact fuel pumps product identified by AEM 50-1009. Sensors, wiring, fittings, hardware, tuning, or accessories are included only when specifically shown or stated.

About AEM

AEM develops performance electronics, monitoring, fueling, ignition, and water-methanol products for enthusiast and motorsport applications. Black Ops Auto Works organizes AEM listings by exact part number and available application data to support accurate product selection.

Related Parts

• AEM 380LPH High Pressure Fuel Pump -6AN Female Out, -10AN Female In
• AEM 340LPH 65mm Fuel Pump Kit w/ Mounting Hooks – Ethanol Compatible
• Shop the complete AEM collection

Frequently Asked Questions

What is the 50-1009?

It is the AEM fuel pumps product described on this page in the listed configuration.

How do I confirm fitment?

Match the complete vehicle, engine, trim, system, connector, dimensions, and every application note before ordering.

Can I select this product by appearance alone?

No. Similar-looking components can use different connectors, dimensions, ranges, ports, calibrations, or mounting points.

What is included?

Only the components specifically identified on this product page are included; related sensors, wiring, fittings, hardware, or accessories may be separate.

Does this product require tuning?

Tuning depends on the product and vehicle. Changes involving airflow, fueling, ignition, boost, or water-methanol delivery may require calibration.

Is professional installation recommended?

Yes when installation involves fuel, wiring, pressurized systems, sensor scaling, engine timing, or calibration.

Is this product new?

Yes. The item condition is new unless this page explicitly states otherwise.

What should I verify before checkout?

Confirm the application, specifications, included items, connector or plumbing requirements, and installation notes.

Installation Instructions

1. Confirm AEM 50-1009 and the complete application before disassembly.
2. Inspect the component and compare every connector, port, mounting point, dimension, and included item before modifying the vehicle.
3. Follow current AEM instructions and the vehicle service procedure for wiring, plumbing, fasteners, sensor placement, and calibration.
4. Route wiring, hoses, and components away from heat, sharp edges, moving parts, and electrical noise sources.
5. Test the complete system, check for leaks or faults, and verify safe operation before driving.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.