Bosch 66055 Fuel Pump Module Assembly

Bosch Fuel Pump Module Assembly for Ford and Mercury

Bosch 66055 is a new, in-tank electric fuel pump module assembly for gasoline fuel injection systems. It is built to Bosch premium standards and includes the fuel sending unit, fuel filter, regulator, wire harness, gasket, and O-ring for a direct replacement service part.

Key Features

• Specific-fit fuel pump module assembly for select Ford, Lincoln, and Mercury applications
• 12-volt electric pump for gasoline fuel delivery
• In-tank, internal mounting design
• Includes fuel sending unit, fuel filter, regulator, wire harness, gasket, and O-ring
• Female 4-terminal connector with blade terminals
• Polymer/plastic housing with OE-type inlet and SAE outlet
• Built on Bosch production lines and tested to Bosch OE quality standards

Detailed Description

This Bosch fuel pump module assembly, part number 66055, is engineered for fuel injection service in select Ford Explorer, Ford Explorer Sport Trac, Mercury Mountaineer, Lincoln Aviator, and Mercury Grand Marquis applications. It is a specific-fit replacement for in-tank use and is configured with a regulator, fuel filter, and fuel sending unit to support proper fuel delivery and tank-level reporting. Bosch manufactures this fuel pump module assembly on the same production lines used for OE fuel pumps, with testing aligned to Bosch original-equipment standards for consistent service life.

Compatible vehicle coverage includes Fits 2006-2009 Ford Explorer, N/A; Fits 2007-2009 Ford Explorer Sport Trac, N/A; Fits 2006-2009 Mercury Mountaineer, N/A; Fits 2005 Lincoln Aviator, N/A; and Fits 2005 Mercury Grand Marquis, N/A. Bosch 66055 is a direct-fit fuel pump module assembly for gasoline applications where reliable in-tank fuel delivery is required.

What This Part Helps Address

• Hard starting caused by weak or inconsistent fuel pressure
• Engine stalling related to fuel delivery interruption
• Fuel gauge inaccuracies from a worn sending unit
• Low fuel volume delivery under load
• Fuel system service needs on aging in-tank pump modules

Installation Notes and Tips

Confirm the vehicle’s year, make, model, and fuel system configuration before installation. This module uses an in-tank mounting design, a female square/rectangle connector, and OE-type inlet with SAE outlet connections. Transfer only the components required by the vehicle service procedure, and inspect the tank opening, electrical connector, and fuel lines for wear or contamination before reassembly.

Quality Assurance

Bosch builds this fuel pump module assembly to premium aftermarket standards using OE-level manufacturing and testing practices. The part is new, specific fit, and intended for direct replacement service on the listed Ford and Mercury applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.