US Motor Works USEP8559M Fuel Pump Module Assembly

Fuel Pump Module Assembly for Porsche 911 and Boxster

US Motor Works USEP8559M is a fuel pump module assembly built for in-tank service on select Porsche applications. It is engineered to meet or exceed original equipment specifications and uses quality materials for consistent fuel delivery in the 2002-2004 Porsche 911 and 2002-2004 Porsche Boxster.

Key Features

• In-tank fuel pump module assembly for Porsche 911 and Boxster applications
• Flow rate: 160.0 LPH
• Operating voltage: 12.0 VDC
• Pressure range: 85.0 PSI minimum to 95.0 PSI maximum
• Includes hardware and tank seal where applicable, plus installation instructions
• Cross-reference part numbers include Delphi FG1683 and OE-style references 996 620 132 00, E8559M, and SP5066M

Detailed Description

The US Motor Works USEP8559M fuel pump module assembly is designed for direct in-tank replacement on select Porsche models. It is specified for 2002-2004 Porsche 911 and 2002-2004 Porsche Boxster, with performance targets that support proper fuel system pressure and delivery. For buyers searching for a Porsche 911 fuel pump module assembly or a Boxster in-tank fuel pump replacement, this part number provides a focused OE-style service solution.

Built around a 160.0 LPH flow rate and a 12.0 VDC electrical design, USEP8559M is intended to maintain fuel supply within an 85.0 PSI to 95.0 PSI pressure range. The module is a practical choice when replacing a worn or failing in-tank assembly on Porsche 911 and Porsche Boxster vehicles from the listed model years. USEP8559M also cross-references Delphi FG1683 for the same application.

What It Helps Address

• Hard starting caused by weak fuel delivery
• Fuel pressure loss from a failing in-tank pump module
• Engine hesitation under load from inconsistent fuel supply
• Stalling related to an aging fuel pump assembly
• Driveability issues tied to worn internal fuel system components

Installation Notes and Tips

Fits 2002-2004 Porsche 911, in tank assembly. Fits 2002-2004 Porsche Boxster, in tank assembly. Confirm tank configuration, electrical connection, and fuel system layout before installation. Follow the included installation instructions and replace the tank seal where applicable during service. After installation, verify fuel pressure and inspect for leaks before returning the vehicle to service.

Quality Assurance

US Motor Works states that its fuel modules are designed and tested to meet or exceed original equipment specifications. The company also specifies the use of high-quality materials in manufacturing. USEP8559M is built to those standards for Porsche 911 and Porsche Boxster fuel system service.