Bosch 66078 Fuel Pump Module Assembly

Bosch Fuel Pump Module Assembly 66078

Bosch 66078 is a new electric fuel pump module assembly for select 2007-2008 Chevrolet Silverado 1500 and 2007-2008 GMC Sierra 1500 applications without sender. Built as an internal in-tank module, it is designed for direct fuel delivery performance in the vehicle’s fuel system.

The Bosch Fuel Pump Module Assembly (New) line brings premium fuel pump technology to the aftermarket using production and testing standards aligned with Bosch original equipment practices. Bosch 66078 is a practical choice when replacing a worn fuel pump module in a Silverado 1500 or Sierra 1500.

Key Features

• Brand: Bosch Fuel Pump Module Assembly (New)
• Part number: 66078
• Electric, internal in-tank fuel pump module
• New module assembly, not remanufactured
• Gaskets included for the fuel pump assembly
• 1 inlet and 1 outlet configuration
• Package contents: 1 module assembly
• Fits 2007-2008 Chevrolet Silverado 1500, without sender
• Fits 2007-2008 GMC Sierra 1500, without sender

Detailed Description

Bosch 66078 is engineered as a fuel pump module assembly for vehicles that require an internal electric pump setup. It is built for 2007-2008 Chevrolet Silverado 1500 and 2007-2008 GMC Sierra 1500 models without sender, making it a focused replacement for the original fuel delivery module. The assembly includes gaskets and uses a single inlet and outlet layout for straightforward system integration. Bosch manufactures these fuel pumps using the same quality standards applied to its original equipment fuel components, helping support consistent fuel delivery and long service life. If you are searching for a Bosch fuel pump module assembly for Silverado 1500 or Sierra 1500 applications, part number 66078 is the direct reference to verify.

This part cross-references ACDelco (e.g., 19208956) for the same application.

Common Problems This Part Can Address

• Hard starting caused by a weak or failing fuel pump module
• Engine stalling from inconsistent fuel delivery
• Loss of fuel pressure under load
• Fuel system performance issues in the tank-mounted pump assembly
• Replacement needs for a worn module on Silverado 1500 or Sierra 1500 trucks

Installation Notes and Tips

Confirm vehicle fitment by year, make, model, and the “without sender” note before installation. This is an internal fuel pump module assembly, so access is through the fuel tank area on the applicable truck. Inspect the fuel tank, electrical connector, and fuel lines for wear or contamination before installing Bosch 66078. Replace any damaged sealing surfaces and verify proper fuel pressure after installation.

Quality Assurance

Bosch builds this fuel pump module using manufacturing and testing standards aligned with its original equipment fuel pump production. That process is intended to support reliable operation and consistent fitment in the specified Chevrolet Silverado 1500 and GMC Sierra 1500 applications.