Carter M73109 Direct Injection High Pressure Fuel Pump

Direct Injection Fuel Pump Overview

The Carter M73109 direct injection high pressure fuel pump is built for vehicles that need precise fuel delivery and OE-style fit, form, and function. It is an external mechanical pump with a steel housing, threaded outlet, and MQC inlet connection for a clean replacement setup.

Compatible With Buick Regal, Buick Verano, Chevrolet Equinox, Chevrolet Terrain, and other listed applications, this pump supports gasoline and ethanol fuel types. The Carter M73109 is a practical choice for drivers looking for a direct injection high pressure fuel pump replacement with the correct connector style and sealing components.

Key Features

• OE fit, form, and function for direct replacement service
• Steel housing with silver finish
• Mechanical, external pump design
• MQC inlet and M14-1.5 threaded outlet
• Male rectangular connector with two spade terminals
• Gasket or seal included for installation
• Supports gasoline and ethanol fuel systems

Detailed Description

The Carter M73109 is a direct injection high pressure fuel pump designed for broad coverage across multiple GM applications, including Buick Regal, Chevrolet Equinox, and GMC Terrain fitments. Its bolt-mounted, external mechanical design uses a rectangular male connector, two terminals, and a threaded outlet to match the original service layout on listed vehicles. The steel housing and included seal help support a straightforward replacement process where the original pump has worn, lost pressure, or developed drivability issues.

This part cross-references Delphi HM10008 and Spectra Premium FI1502 for the same application. Carter’s fuel system program focuses on OE-style replacement parts with application coverage and problem-solving design details, making the M73109 a focused option for direct injection fuel system service.

Common Problems This Part May Solve

• Hard starting caused by low high-pressure fuel delivery
• Fuel pressure loss under load
• Rough idle related to pump wear
• Engine hesitation during acceleration
• Fuel system faults tied to a failing mechanical pump

Installation Notes and Tips

Verify the inlet and outlet connection style, terminal layout, and mounting type before installation. Confirm the vehicle uses the listed direct injection high pressure fuel pump application and inspect the sealing surfaces for wear or contamination during replacement. Use the correct service procedure for the fuel system and check for leaks after installation.

Quality Assurance

Carter positions this fuel system line around OE fit, form, and function, with coverage aimed at direct replacement service for listed applications.