Delphi HM10144 Direct Injection High Pressure Fuel Pump - Left

Overview of Delphi HM10144 Direct Injection High Pressure Fuel Pump

The Delphi HM10144 is a mechanical direct injection high pressure fuel pump designed for select BMW models. Engineered for gas fuel systems, this external pump ensures reliable fuel delivery for optimal engine performance in vehicles like the BMW 750i, 750i xDrive, and M550i xDrive.

• Compatible with BMW 750i, 750i xDrive, and M550i xDrive models
• Mechanical pump type for direct injection systems
• Metal housing with silver finish for durability
• Threaded inlet and outlet fittings (M14-1.5 thread size)
• Blade terminal type with two male terminals
• External mounting position on the left side
• Standard replacement grade part number HM10144
• Includes instruction sheet; mounting hardware and gasket not included

Detailed Product Description

The Delphi HM10144 direct injection high pressure fuel pump is specifically designed for gas-fueled BMW vehicles requiring precise fuel delivery under high pressure conditions. Its mechanical operation supports the direct injection system by maintaining consistent fuel flow through two threaded outlets and a threaded inlet, all sized M14-1.5 for secure connections. The pump’s metal housing provides structural integrity and heat resistance, finished in silver to resist corrosion. Featuring two male blade terminals, this pump connects easily to the vehicle’s electrical system. Note that mounting hardware and gaskets are not included, so these should be sourced separately during installation.

Common Applications and Issues Addressed

• Restores proper fuel pressure in BMW 750i and M550i xDrive direct injection systems
• Resolves engine performance issues related to fuel delivery inconsistencies
• Addresses fuel pump failure symptoms such as rough idling or stalling
• Replaces worn or damaged mechanical fuel pumps in external left-side mounting positions
• Supports maintenance and repair of high pressure fuel delivery components

Installation Notes and Tips

• Compatible with external left-side mounting only; verify vehicle fitment before installation
• Ensure proper torque on M14-1.5 threaded inlet and outlet fittings to prevent leaks
• Electrical connections require two male blade terminals; confirm wiring harness compatibility
• Mounting hardware and gaskets are not included; obtain separately to complete installation
• Follow the included instruction sheet carefully for correct installation procedures

Quality Assurance and Warranty

Delphi manufactures the HM10144 as a standard replacement part meeting OEM specifications for fit, form, and function. The metal housing and mechanical design ensure durability under typical operating conditions. While specific warranty details may vary, Delphi parts generally come with a limited warranty covering defects in materials and workmanship. Consult product documentation or supplier information for exact warranty terms.