Autobest F9044M Mechanical Fuel Pump

Mechanical Fuel Pump Overview

Autobest F9044M is a mechanical fuel pump built for classic Chevrolet and GMC applications that use a 2-line pump setup. It is engineered to meet or exceed OEM specifications for fit and performance, with aluminum housing, precision castings, and hardened rockers for dependable operation.

Fits 1963-1975 Chevrolet and GMC applications listed below, with 2 line pump configurations. The F9044M also includes a gasket or seal and uses a threaded outlet with a hose bead inlet.

Key Features

• Mechanical fuel pump for carbureted fuel delivery systems
• Aluminum housing for a durable, lightweight construction
• Precision castings and hardened rockers for long service life
• Advanced polymer diaphragm for consistent fuel delivery
• Threaded outlet and hose bead inlet for the specified application
• Limited lifetime warranty

Detailed Description

The Autobest F9044M mechanical fuel pump is a premium replacement for a wide range of classic Chevrolet and GMC vehicles, including C10, Camaro, Chevelle, Impala, Blazer, and related truck and van platforms. It is also listed for Buick, Oldsmobile, Pontiac, and Checker applications that require the same 2-line mechanical fuel pump configuration. The part number F9044M is supported by OE-style construction details that focus on fit, pressure control, and steady fuel delivery.

With an average flow rating of 40 GPH and a pressure range of 3.5 to 5.5 PSI, this pump is suited to mechanical fuel systems that need stable output. The F9044M part number appears across multiple classic GM fitments, making it a direct reference point when matching the correct mechanical fuel pump for your Chevrolet C10 or GMC pickup application.

This part cross-references Airtex Fuel Pumps (e.g., 40446) and Carter (e.g., M4503) for the same application.

What It Is Used For

• Restoring fuel delivery on a worn mechanical fuel system
• Replacing a pump with weak pressure or inconsistent flow
• Addressing hard-start or fuel starvation symptoms
• Returning proper operation to carbureted classic truck and car applications
• Matching the specified 2-line mechanical fuel pump configuration

Installation Notes and Tips

Verify the vehicle uses the listed 2-line mechanical fuel pump configuration before ordering. Confirm outlet type, inlet type, and pressure requirements against the original pump. The included gasket or seal supports installation on the specified applications, and the threaded outlet should be matched to the existing fuel line connection.

Quality Assurance

Autobest states that this mechanical fuel pump is built to meet or exceed OEM specifications for fit and performance. The F9044M carries a limited lifetime warranty.