Sparta PN3161 Fuel Pump Module Assembly

Fuel Pump Module Assembly for 2003 Explorer and Mountaineer

Sparta PN3161 is a standard replacement fuel pump module assembly for select 2003 Ford Explorer and 2003 Mercury Mountaineer applications. It includes the fuel sending unit, regulator, strainer, gasket/seal, and float arm for a complete in-tank service solution.

Key Features

• Specific fit fuel pump module assembly for in-tank installation
• 12-volt electric turbine pump design
• Fuel sending unit included
• Regulator included
• Strainer and nitrile rubber seal included
• Quick-connect outlet with 2 outlets
• Plastic housing with 2 connectors and 8 terminals
• Rated for flex fuel applications
• Average flow rating: 40
• Maximum pressure: 80; minimum pressure: 59

Detailed Description

Built for higher-mileage and earlier model vehicles, Sparta PN3161 is distributed by Delphi, an OE full-line fuel supplier with deep fuel system expertise. This fuel pump module assembly is engineered as a standard replacement for 2003 Ford Explorer and 2003 Mercury Mountaineer models, with the key components needed for fuel delivery and level sensing in one assembly. It uses an electric turbine pump design, a quick-connect outlet, and a flex-fuel compatible configuration for direct service on the listed applications. This part number, PN3161, is also referenced in cross applications such as Airtex E2350M and Carter P76157M.

Common Problems This Part Can Address

• Hard starting caused by weak or inconsistent fuel pressure
• Engine stalling from fuel delivery loss inside the tank
• Inaccurate fuel gauge readings from a worn sending unit
• Fuel pressure issues related to a failing regulator or pump module
• Noisy or inefficient pump operation in higher-mileage vehicles

Installation Notes and Tips

Install PN3161 as an in-tank fuel pump module assembly on the confirmed 2003 Ford Explorer and 2003 Mercury Mountaineer fitments. Verify connector style, outlet connection, and tank condition before installation. The package includes the fuel pump module assembly with float arm, seal, and instruction sheet; mounting hardware and lock ring are not included. Because this is a specific-fit replacement, confirm the vehicle’s fuel system configuration before service. PN3161 is designed for 12-volt systems and uses a female round connector layout with quick-connect outlets.

Quality Assurance

Sparta fuel components are backed by Delphi distribution and OE fuel system expertise, with a focus on fit and performance for older vehicle applications. PN3161 is a standard replacement fuel pump module assembly built to match the listed vehicle requirements.