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US Motor Works USEP3780M Fuel Pump Module Assembly
| Brand | US Motor Works USEP3780M |
|---|---|
| Empty | 250.0 ohms |
| Flow Rate Min | 190.0 lph |
| Full | 40.0 ohms |
| Includes | Hardware and tank seal where applicable, installation instruction |
| Pressure Max | 70.0 psi |
| Pressure Min | 60.0 psi |
| Voltage | 12.0 vdc |
| Fits | Buick · 3 vehicles |
OE-spec design. Tested to meet or exceed original equipment requirements.
Quality materials. Built with higher-grade materials for dependable fuel delivery.
Fuel pump module assembly. Complete module for replacing the fuel delivery unit.
Cross-references Delphi FG1731, Spectra Premium SP6682M and 19179798 for the same application. See all 8.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Fuel Pump Module Assembly for Buick Lucerne
US Motor Works USEP3780M is a fuel pump module assembly built for 2009-2011 Buick Lucerne applications with an in-tank assembly and fuel tank sending unit. It is engineered to meet or exceed original equipment specifications and uses quality materials throughout the module.
Key Features
- Fits 2009-2011 Buick Lucerne, in tank assembly with fuel tank sending unit
- Designed to meet or exceed original equipment specifications
- 12.0 VDC electrical system
- Pressure range: 60.0 to 70.0 PSI
- Flow rate minimum: 190.0 LPH
- Fuel level sender resistance: 250.0 ohms empty, 40.0 ohms full
- Includes hardware and tank seal where applicable, plus installation instructions
Detailed Description
The US Motor Works USEP3780M fuel pump module assembly is built for Buick Lucerne fuel system service where a complete in-tank module is required. This assembly is specified for 2009-2011 Buick Lucerne models and combines the pump module with the fuel tank sending unit for direct replacement of the original configuration. The module is rated for 12.0 VDC operation, delivers a minimum flow rate of 190.0 LPH, and is designed to operate within a 60.0 to 70.0 PSI pressure range. Fuel level sender values are listed at 250.0 ohms empty and 40.0 ohms full for OE-style gauge operation. Part number USEP3780M also cross-references Delphi FG1731 for the same application.
Common Repair Uses
- Hard starting caused by low fuel delivery
- Engine hesitation or stalling from weak pump output
- Inaccurate fuel gauge readings from a worn sender
- Fuel pressure loss in the Buick Lucerne fuel system
- Replacement of a failing in-tank fuel pump module assembly
Installation Notes and Tips
Verify the vehicle’s fuel system configuration before installation and confirm the connector, sender range, and pressure requirements match the original unit. Follow the included installation instructions and replace the tank seal where applicable during service. Clean the tank area and inspect related wiring and fuel lines before reassembly to help ensure proper sealing and operation.
Quality Assurance
US Motor Works states that its fuel modules are tested to meet or exceed original equipment specifications and manufactured with high-quality materials for consistent fit and function. Part number USEP3780M is built to OE-style requirements for 2009-2011 Buick Lucerne fuel system service.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | CXL | 3.9L | V6 | FLEX | In Tank Assembly (Includes Fuel Tank Sending Unit) |
| 2010 | Buick | Lucerne | CXL | 3.9L | V6 | FLEX | In Tank Assembly (Includes Fuel Tank Sending Unit) |
| 2009 | Buick | Lucerne | CXL | 3.9L | V6 | FLEX | In Tank Assembly (Includes Fuel Tank Sending Unit) |
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