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Delphi FG2863 Fuel Pump Module Assembly
| Brand | Delphi FG2863 |
|---|---|
| Fuel Sending Unit Included | Yes |
| Negative Ground | No |
| Outlet Outside Diameter | 0.375 |
| Voltage | 12 |
| Fuel Type | Diesel |
| Regulator Included | Yes |
| Maximum Pressure | 73 |
| Terminal Type | Blade |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Premium |
| Connector Quantity | 1 |
| Connector Shape | Rectangle |
| Gasket Or Seal Included | Yes |
| Housing Material | Plastic |
| Installation Warnings | No |
| Terminal Quantity | 6 |
| Lock Ring Included | No |
| Connector Gender | Female |
| Terminal Gender | Male |
| Strainer Included | Yes |
| Inlet Type | Strainer |
| Outlet Type | Quick connect |
| Outlet Quantity | 5 |
| Fuel Filter Included | No |
| Resistance Ohms Empty | 250 |
| Resistance Ohms Full | 40 |
| Gasket Or Seal Material | Nitrile rubber |
| Minimum Pressure | 55 |
| Wire Harness Included | No |
| Fits | Chevrolet and GMC · 15 vehicles |
Specific-fit design. Built for diesel fuel system service with OE-style application matching.
Complete module assembly. Includes the sending unit, regulator, strainer, seal, and float arm.
Turbine pump design. Uses an electric 12-volt pump with quick-connect outlet integration.
Cross-references 84777079, 85105758 and 85557026 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Fuel Pump Module Assembly Overview
The Delphi FG2863 fuel pump module assembly is a specific-fit diesel fuel delivery component for heavy-duty trucks. It combines the pump, sending unit, regulator, strainer, seal, and float arm in one assembly for service on select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD applications.
Key Features
- Specific-fit fuel pump module assembly for diesel fuel systems
- Turbine-style electric pump with 12-volt operation
- Includes fuel sending unit, regulator, strainer, seal, and float arm
- Quick-connect outlet design with a female connector and blade terminals
- Premium-grade construction with a plastic housing and nitrile rubber seal material
- Designed for diesel applications with a maximum pressure rating of 73 psi
Detailed Product Description
Delphi FG2863 is built as a direct replacement fuel pump module assembly for diesel-equipped heavy-duty pickups that need accurate fuel delivery and tank level reporting. The module uses a turbine pump design, a 5-outlet configuration, and a quick-connect outlet to support clean integration into the fuel system. Delphi FG2863 is engineered for specific applications and is backed by Delphi’s long history as an OE-focused fuel system supplier. This part cross-references Monroe Shocks & Struts (e.g., 84777079, 85105758) for the same application.
Common Problems It Can Address
- Hard starting caused by weak fuel delivery
- Inaccurate fuel level readings from a worn sending unit
- Fuel starvation under load from a failing pump module
- Pressure loss in the diesel fuel system
- Fuel leaks at the module seal or outlet connections
Installation Notes and Tips
Verify the part number FG2863 against the vehicle’s fuel system configuration before installation. Confirm connector shape, terminal count, outlet style, and pressure requirements match the original module. The package includes a fuel pump module assembly with float arm, seal, and instruction sheet; mounting hardware is not listed as included.
Quality Assurance
Delphi has supplied fuel delivery components to global vehicle manufacturers for more than 80 years and is known for OE-level fuel system engineering. Part number FG2863 reflects that OE-focused approach for diesel fuel management service.
| Year | Make | Model | Submodel | Body Type | Bed Length | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|---|---|
| 2023 | Chevrolet | Silverado 2500 HD | High Country | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2023 | GMC | Sierra 2500 HD | SLT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2023 | GMC | Sierra 3500 HD | SLT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2022 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2022 | Chevrolet | Silverado 3500 HD | WT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2022 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2022 | GMC | Sierra 3500 HD | SLT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2021 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2021 | Chevrolet | Silverado 3500 HD | WT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2021 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2021 | GMC | Sierra 3500 HD | SLT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2020 | Chevrolet | Silverado 2500 HD | WT | Crew Cab Pickup | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2020 | Chevrolet | Silverado 3500 HD | WT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2020 | GMC | Sierra 2500 HD | SLT | Crew Cab Pickup | 6' 10" Foot Bed | 6.6L | V8 | — |
| 2020 | GMC | Sierra 3500 HD | SLT | — | 6' 10" Foot Bed | 6.6L | V8 | — |
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