Bosch 66091 Fuel Pump Module Assembly

Bosch Fuel Pump Module for Silverado and Sierra

Bosch 66091 is a new electric in-tank fuel pump module assembly for select Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. Built for 2009-2013 applications, it supports consistent fuel delivery for trucks that need a direct replacement fuel pump module assembly.

Bosch fuel pump module assemblies are produced on the same manufacturing lines used for Bosch original equipment fuel pumps and are tested to the same quality standards. The result is a replacement part engineered for reliable operation in demanding fuel system service.

Key Features

• Brand: Bosch Fuel Pump Module Assembly (New)
• Part number: 66091
• Electric, internal in-tank design
• New module assembly, not remanufactured
• Includes gasket(s) for the fuel pump assembly
• Uses 1 inlet and 1 outlet
• Includes a pre-filter used with the pump
• Package contents: 1 module assembly

Detailed Description

This Bosch fuel pump module assembly is a direct-fit replacement for 2009-2013 Chevrolet Silverado 1500 and 2009-2013 GMC Sierra 1500 applications. If you are searching for a Bosch 66091 fuel pump module for Silverado 1500 or a Bosch 66091 fuel pump module for Sierra 1500, this part is built for the fuel delivery demands of those trucks. It is an internal electric module with gasket(s) included and a pre-filter used with the pump, helping restore proper fuel system operation when the original module is worn or failing.

Bosch 66091 is part of Bosch’s Fuel Pump Module Assembly (New) line, which focuses on OE-style replacement fuel delivery components for automotive repair. This part cross-references ACDelco 19259406 for the same application.

Common Problems This Part Can Address

• Hard starting caused by weak fuel delivery
• Engine stalling from inconsistent pump output
• Loss of fuel pressure under load
• Fuel pump noise associated with a failing module
• Driveability issues tied to an aging in-tank fuel pump assembly

Installation Notes and Tips

Install this module in the fuel tank as an internal electric assembly. Verify connector condition, fuel line routing, and tank sealing surfaces before installation. Because mounting hardware is not included, reuse or source the required hardware as needed for the vehicle service procedure.

Confirm vehicle application by year, make, and model before ordering. Fits 2009-2013 Chevrolet Silverado 1500 and 2009-2013 GMC Sierra 1500.

Quality Assurance

Bosch manufactures these fuel pump modules using the same production standards applied to its original equipment fuel pumps, then tests them to those quality requirements for dependable service life.