Delphi HM10040 Direct Injection High Pressure Fuel Pump - Left

Delphi HM10040 Direct Injection Fuel Pump

The Delphi HM10040 is a direct injection high pressure fuel pump for gasoline applications, built as a standard replacement for select Audi and Volkswagen vehicles. It uses a metal housing, threaded inlet and outlet connections, and a mechanical external design for left-side applications.

Key Features

• Direct injection high pressure fuel pump for gas engines
• Mechanical, external pump design
• Metal housing with silver finish
• Threaded inlet and outlet connections
• Blade terminals, 2-terminal male configuration
• Inlet fitting thread size: M12-1.5
• Outlet fitting thread size: M14-1.5
• Standard replacement part from Delphi OE heritage

Product Details

Delphi brings OE experience into the aftermarket with the HM10040 fuel pump, engineered for direct injection fuel systems that require consistent high-pressure fuel delivery. This part number, HM10040, is listed for left-side fitment on select Audi Q7, Audi A6 Quattro, Audi A8 Quattro, Audi RS4, Audi S5, and Volkswagen Touareg models. It is a direct replacement style pump with threaded fuel connections and a metal body for service on gasoline applications.

This part cross-references Delphi CHM10040 and FI1505 for the same application.

Vehicle Fitment

• Fits 2010 Audi Q7, left, to chassis # 4L-9-029-260
• Fits 2007-2009 Audi A6 Quattro, left
• Fits 2007-2009 Audi A8 Quattro, left
• Fits 2009 Audi S5, left, to 11/03/2008
• Fits 2009 Volkswagen Touareg, left, to chassis # 7L-9-303-000
• Fits 2007-2008 Audi Q7, left
• Fits 2007-2008 Audi RS4, left
• Fits 2008 Audi S5, left
• Fits 2007-2008 Volkswagen Touareg, left

Common Repair Applications

• Hard starting caused by insufficient high-pressure fuel delivery
• Fuel pressure loss in direct injection systems
• Engine hesitation or stumble under load
• Fuel system fault codes related to pump performance
• Replacement of a worn or leaking mechanical high-pressure pump

Installation Notes

Verify left-side placement, chassis breakpoints, and model-year coverage before ordering. Confirm the inlet and outlet thread sizes, terminal style, and fuel system layout against the original pump. This pump does not include mounting hardware, a gasket or seal, or a wiring harness, so reuse or source those components as needed during service.

Quality Assurance

Delphi draws on more than 100 years of OE experience and supplier knowledge used by major automakers. The HM10040 reflects that OE-based engineering approach in a standard replacement fuel pump for select Audi and Volkswagen direct injection applications.