Delphi HM10116 Direct Injection High Pressure Fuel Pump

Overview of Delphi HM10116 Direct Injection High Pressure Fuel Pump

The Delphi HM10116 is a mechanical direct injection high pressure fuel pump designed for select Audi and Volkswagen models. Engineered to deliver precise fuel flow, this pump supports optimal engine performance in vehicles such as the Audi Q7, Volkswagen Passat, and Volkswagen CC.

• Compatible with Audi CC, Volkswagen Passat, and Volkswagen Q7
• Mechanical pump type for direct injection systems
• Metal housing with silver finish for durability
• Includes gasket or seal for secure installation
• Two male blade terminals for electrical connection
• External pump with hose inlet and threaded outlet fittings
• Inlet outside diameter: 0.375 inches
• Inlet fitting thread size: M12-1.5; outlet fitting thread size: M14-1.5
• Standard replacement grade part number HM10116

Detailed Product Description

The Delphi HM10116 direct injection high pressure fuel pump is designed specifically for gas-fueled engines in Audi and Volkswagen vehicles, including the Audi Q7, Volkswagen Passat, and Volkswagen CC. This mechanical pump features a robust metal housing finished in silver, ensuring long-lasting durability under demanding engine conditions. The pump is external and connects via a hose inlet with a 0.375-inch outside diameter and threaded outlets, providing secure fuel delivery. It includes two male blade terminals for electrical connections, supporting reliable operation. The package contains the fuel pump and an instruction sheet, along with a gasket or seal to ensure a proper fit and prevent leaks during installation.

Common Applications and Issues Addressed

• Restores proper fuel pressure in direct injection systems
• Resolves engine hesitation or stalling related to fuel delivery
• Eliminates fuel pump noise caused by worn components
• Addresses fuel leaks due to damaged seals or fittings
• Improves engine performance and fuel efficiency in compatible Audi and Volkswagen models

Installation Notes and Tips

Installation of the Delphi HM10116 requires careful attention to the inlet and outlet fittings, which use M12-1.5 and M14-1.5 thread sizes respectively. The pump mounts externally and connects via hose inlet and threaded outlets. Note that mounting hardware and wiring harness are not included, so existing components should be reused or sourced separately. The included gasket or seal must be installed to prevent leaks. Ensure electrical connections are made to the two male blade terminals for proper operation. Follow the provided instruction sheet for detailed installation guidance.

Quality Assurance and Warranty

Delphi manufactures the HM10116 as a standard replacement part, meeting OEM specifications for fit and function. The metal housing and included gasket contribute to reliable, leak-free performance. While specific warranty details are not provided here, Delphi parts typically come with manufacturer-backed quality assurance to support durability and performance in Audi and Volkswagen direct injection fuel systems.