HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsBosch 66077 Fuel Pump Module Assembly
Part #: TC427

Bosch 66077 Fuel Pump Module Assembly

Fuel Pump Module Assembly (New)
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Fuel Pump Module Assembly (New)
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Reliable Fuel Pump Module for Chevrolet and GMC Trucks

The Bosch Fuel Pump Module Assembly (New) part number 66077 is designed specifically for Chevrolet and GMC full-size pickup trucks. This electric internal fuel pump module ensures consistent fuel delivery for models like the Silverado 1500, Silverado 1500 Classic, Sierra 1500, and Sierra 1500 Classic.

  • Electric fuel pump module with one outlet and one inlet
  • Includes fuel pump gasket and prefiltro (pre-filter)
  • Internal tank installation, not an in-line pump
  • New, not remanufactured, for reliable performance
  • Compatible with Chevrolet Silverado 1500 and GMC Sierra 1500 models

About the Bosch Fuel Pump Module Assembly (New) Line

The Fuel Pump Module Assembly (New) line from Bosch offers new, high-quality fuel pump modules designed to meet OEM specifications. This product line focuses on electric internal fuel pumps that include necessary components such as gaskets and pre-filters to ensure proper fuel filtration and delivery. The 66077 module assembly is part of this line, providing a direct replacement solution for specific Chevrolet and GMC trucks.

Product Details and Specifications

This Bosch fuel pump module assembly features a single outlet and inlet, designed for internal tank installation. It is an electric pump, eliminating the need for mechanical operation. The module includes a fuel pump gasket and a prefiltro to help protect the pump and fuel system from contaminants. Mounting hardware is not included, so existing hardware should be reused during installation. This module is intended for use as a complete assembly rather than a pump-only replacement.

Common Applications and Problem Resolution

  • Restores proper fuel pressure and flow in Chevrolet Silverado 1500 and GMC Sierra 1500 trucks
  • Resolves fuel delivery issues caused by worn or failing fuel pump modules
  • Eliminates engine stalling or hesitation related to fuel starvation
  • Addresses fuel pump noise or irregular operation
  • Prevents fuel system contamination with included pre-filter

Installation Notes and Tips

Installation requires removal of the fuel tank to access the internal pump module. Since mounting hardware is not included, retain original fasteners for reassembly. Ensure the gasket is properly seated to prevent fuel leaks. Verify electrical connections are secure and compatible with the vehicle’s negative ground system, noting this module does not have a negative ground feature. Follow all safety precautions when working with fuel system components.

Quality Assurance and Warranty

Bosch manufactures this Fuel Pump Module Assembly (New) to meet or exceed OEM standards for fit, form, and function. The part number 66077 is new and not remanufactured, providing reliable operation for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. Warranty coverage details should be confirmed with the parts distributor or Bosch directly.

BrandStandard Ignition
Part NumberTC427
PositionFuel Pump Module Assembly (New)
Connector GenderFemale; Female; Male
ContentsSwitch
Terminal GenderMale; Female
Terminal TypeBullet

This part fits 4 vehicles. Search below:

YearMakeModelBed LengthLitersCylindersFuel TypePositionNotes
2007ChevroletSilverado 1500 Classic5' 9" Foot Bed5.3LV8FLEXN/Awithout Sender; Fuel Pump Module Assembly (New)
2007GMCSierra 1500 Classic5' 9" Foot Bed5.3LV8FLEXN/Awithout Sender; Fuel Pump Module Assembly (New)
2006ChevroletSilverado 15005' 9" Foot Bed5.3LV8FLEXN/Awithout Sender; Fuel Pump Module Assembly (New)
2006GMCSierra 15005' 9" Foot Bed5.3LV8FLEXN/Awithout Sender; Fuel Pump Module Assembly (New)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2515F401054T10976590P88860607TC137TC256TLR25

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.