OE Quality
60-Day Returns

Bosch 66078 Fuel Pump Module Assembly
Reliable Fuel Pump Module Assembly for Chevrolet and GMC Trucks
The Bosch Fuel Pump Module Assembly (New) part number 66078 is designed specifically for Chevrolet Silverado 1500 and GMC Sierra 1500 models. This electric internal fuel pump module ensures consistent fuel delivery and optimal engine performance for your vehicle.
- Electric fuel pump with one outlet and one inlet
- Internal tank installation for direct fuel supply
- Includes fuel pump gaskets and prefilter for enhanced filtration
- New module assembly, not remanufactured
- Compatible with Chevrolet Silverado 1500 and GMC Sierra 1500
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 OE specifications. This product line focuses on providing reliable electric fuel pumps with integrated prefilters and gaskets to ensure proper sealing and filtration. The 66078 module assembly is part of this line, delivering dependable fuel delivery for select Chevrolet and GMC trucks.
Product Details and Specifications
This Bosch fuel pump module assembly features a single outlet and inlet, designed for internal tank mounting. It operates electrically and includes a prefilter to protect the pump from contaminants. The package contains one complete module assembly with fuel pump gaskets included, although mounting hardware is not provided. This module is intended for use as a direct replacement part, ensuring compatibility and performance for Chevrolet Silverado 1500 and GMC Sierra 1500 models.
Common Applications and Issues Addressed
- Restores proper fuel pressure and flow in Chevrolet Silverado 1500 and GMC Sierra 1500
- Resolves engine stalling or hesitation caused by fuel delivery problems
- Eliminates fuel pump noise or failure symptoms
- Fixes issues related to fuel contamination with included prefilter
- Replaces worn or damaged internal fuel pump modules
Installation Notes and Tips
When installing the Bosch Fuel Pump Module Assembly 66078, ensure the fuel tank is properly drained and cleaned. Use the included gaskets to prevent leaks and verify electrical connections are secure. Since mounting hardware is not included, retain original fasteners or source compatible hardware. This module is designed for internal tank installation and requires careful handling to avoid damage to the prefilter and pump components.
Quality Assurance and Warranty
Bosch fuel pump modules are manufactured to meet strict quality standards and OE specifications. The Fuel Pump Module Assembly (New) 66078 is a new part, providing reliable performance and durability. Warranty coverage details should be confirmed with the supplier or manufacturer to ensure protection against defects.
| Brand | ATP Parts |
| Part Number | JO-15 |
| Position | Fuel Pump Module Assembly (New) |
| Inside Diameter | 0.3125" |
| LineCode | ATP |
| Outside Diameter | 0.75" |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2008 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 6' 6" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) |
| 2008 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | ||
| 2008 | Chevrolet | Silverado 1500 | 5' 9" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | |
| 2008 | GMC | Sierra 1500 | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | ||
| 2008 | GMC | Sierra 1500 | Extended Cab Pickup | 6' 6" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) |
| 2008 | GMC | Sierra 1500 | 5' 9" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | |
| 2007 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | ||
| 2007 | Chevrolet | Silverado 1500 | 5' 9" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | |
| 2007 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 6' 6" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) |
| 2007 | GMC | Sierra 1500 | Extended Cab Pickup | 6' 6" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) |
| 2007 | GMC | Sierra 1500 | 5' 9" Foot Bed | 5.3L | V8 | N/A | without Sender; Fuel Pump Module Assembly (New) | |
| 2007 | GMC | Sierra 1500 | 5.3L | V8 | N/A | without 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.