Airtex E8389M Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Mercedes-Benz ML320 and ML430

The Airtex E8389M fuel pump module assembly is designed specifically for Mercedes-Benz ML320 and ML430 models. This in-tank electrical fuel pump ensures consistent fuel delivery with precise flow and pressure ratings, supporting optimal engine performance.

• Terminal Type: Blade for secure electrical connections
• Mounting Hardware: Not included, designed for direct replacement
• Connector Shape: Oval male connector for exact fit
• Inlet Type: Strainer to prevent debris entry
• Outlet Type: Quick connect for efficient fuel line attachment
• Flow Rate: 27 gallons per hour to meet engine demands
• Minimum Pressure: 61.0 psi for stable fuel supply
• Gasket Included for proper sealing during installation
• Inlet and Outlet Fitting Thread Sizes: 3/8 inch and 5/16 inch respectively
• Internal pump type, designed for in-tank installation

Technical Overview of Airtex E8389M Fuel Pump Module

The Airtex E8389M is an electrical fuel pump module assembly engineered for specific fitment in Mercedes-Benz ML320 and ML430 vehicles. Featuring a blade terminal type and an oval male connector, this module integrates seamlessly with the vehicle’s existing wiring harness (harness not included). The in-tank design includes a strainer inlet to filter out contaminants and a quick connect outlet for straightforward fuel line connection. With a flow rate of 27 gallons per hour and a minimum pressure rating of 61 psi, it supports consistent fuel delivery necessary for engine efficiency. The included gasket ensures a secure seal, preventing leaks during operation.

Common Applications and Problem Resolution

• Replaces failing or noisy fuel pumps in Mercedes-Benz ML320 and ML430
• Addresses fuel delivery issues such as low pressure or inconsistent flow
• Resolves engine hesitation or stalling caused by inadequate fuel supply
• Eliminates fuel pump electrical connection problems with blade terminal design
• Prevents fuel contamination with integrated strainer inlet

Installation Notes and Tips

Installation of the Airtex E8389M fuel pump module requires removal of the fuel tank to access the in-tank assembly. Ensure the gasket is properly seated to avoid fuel leaks. Since mounting hardware and wiring harness are not included, reuse existing components or source compatible parts as needed. Verify connector orientation with the oval male connector for a secure fit. Follow all safety precautions when working with fuel system components.

Quality Assurance and Warranty Information

Airtex fuel pump modules are manufactured to meet OEM specifications for fit, form, and function. The E8389M part number undergoes rigorous testing to ensure reliable performance in Mercedes-Benz ML320 and ML430 models. This product includes a gasket for installation integrity. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.