Delphi MF0029 Mechanical Fuel Pump

Delphi MF0029 Mechanical Fuel Pump

The Delphi MF0029 is a standard replacement mechanical fuel pump for gasoline applications that require a 7 psi system pressure and a 40 average flow rating. Built with OE heritage and application knowledge from Delphi’s long history supplying automakers, it is a direct-fit service part for select Chevrolet G10, G20, G30 and GMC G1500, G2500, G3500 vans and trucks with a 3-line pump setup.

Key Features

• Mechanical fuel pump for gas fuel systems
• Standard replacement grade for service repairs
• 7 psi system pressure
• 40 average flow rating
• Hose bead inlet with 0.375 in. outside diameter
• Threaded outlet with 5/8-18 UNF fitting thread size
• Two outlet ports
• Gasket included
• Package contents: mechanical fuel pump, gasket, instruction sheet

Application Details

Compatible with select 1981-1988 Chevrolet G30 models, 1981-1986 Chevrolet G10 and G20 models, and 1981-1988 GMC G1500, G2500, and G3500 models when equipped with a 3-line pump. Certain applications also note air conditioning and specific I.D. references, so match the vehicle configuration before ordering. Delphi MF0029 is also referenced by cross numbers including Airtex 41592 and Carter M60188 for the same application.

What This Fuel Pump Helps Resolve

• Hard starting caused by weak fuel delivery
• Fuel starvation under load or at higher engine demand
• Low fuel pressure from a worn mechanical pump
• Intermittent stalling related to inconsistent fuel supply
• Driveability issues on gasoline engines using a 3-line pump setup

Installation Notes and Tips

Verify inlet and outlet style before installation: this pump uses a hose bead inlet and a threaded outlet. Confirm the vehicle has the correct 3-line pump configuration and compare the original pump I.D. and outlet thread size to the replacement part. Use the included gasket during installation and follow the instruction sheet for proper mounting and fuel line connection.

Quality Assurance

Delphi builds aftermarket parts using OE experience and engineering knowledge developed through decades of supplying major automakers. The MF0029 is a standard replacement mechanical fuel pump designed to meet the needs of the listed Chevrolet and GMC applications.