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Delphi EX631050 Fuel Injection Pump
Delphi EX631050 Fuel Injection Pump Overview
The Delphi EX631050 fuel injection pump is designed for diesel engines in Chevrolet and GMC heavy-duty trucks. Engineered with a durable metal housing and precise blade terminals, this external fuel injection pump ensures reliable fuel delivery for models like the Silverado 2500 HD and Sierra 3500.
- Compatible with Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500
- Designed for diesel fuel systems
- Metal housing for enhanced durability
- Includes one female electrical connector with two male blade terminals
- Comes with a gasket/seal for proper installation
- External mounting with two fuel ports
- Package includes fuel injection pump, seal, and instruction sheet
Technical Details and Features
The Delphi EX631050 fuel injection pump features a robust metal housing that withstands the demanding conditions of diesel fuel systems. It includes one female electrical connector with two male blade terminals, ensuring secure and efficient electrical connections. This pump is externally mounted and has two ports for fuel flow. While mounting hardware and wiring harness are not included, the package contains a gasket or seal to maintain system integrity and prevent leaks. The pump is designed specifically for diesel fuel, making it suitable for heavy-duty Chevrolet and GMC trucks.
Compatible Vehicles and Applications
This fuel injection pump is compatible with the following vehicles:
- Chevrolet Silverado 2500 HD
- Chevrolet Silverado 3500
- GMC Sierra 2500 HD
- GMC Sierra 3500
It is intended for use in diesel fuel injection systems where reliable fuel delivery is critical for engine performance and efficiency.
Common Issues Addressed by the Delphi EX631050
- Irregular fuel delivery causing engine hesitation or stalling
- Fuel leaks due to worn or damaged seals
- Electrical connection failures affecting pump operation
- Reduced engine power from faulty fuel injection components
- Excessive fuel consumption or poor engine response
Installation Notes and Tips
Installation requires careful handling of the fuel injection pump and associated seals. Since mounting hardware and wiring harness are not included, ensure you have the correct components before beginning installation. Follow the included instruction sheet for proper torque specifications and connector engagement. Verify all electrical connections are secure and free of corrosion. It is recommended to inspect related fuel system components during installation to maintain overall system reliability.
Quality Assurance and Warranty
Delphi manufactures the EX631050 fuel injection pump to meet OEM standards for durability and performance. The included gasket ensures a proper seal to prevent leaks. While specific warranty details are not provided here, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Delphi |
|---|---|
| Part Number | EX631050 |
| Connector Gender | Female |
| Electrical | No |
| Electrical Connector Quantity | 1 |
| Fuel Type | Diesel |
| Gasket Or Seal Included | Yes |
| Head Drive Type | No |
| Housing Material | Metal |
| In Tank or External | External |
| Mounting Hardware Included | No |
| Package Contents | Fuel lnjection Pump, Seal, Instruction Sheet |
| Port Quantity | 2 |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2005 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | |
| 2005 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2005 | GMC | Sierra 3500 | 6.6L | V8 | N/A | |
| 2004 | Chevrolet | Silverado 2500 HD | N/A | |||
| 2004 | Chevrolet | Silverado 3500 | N/A | |||
| 2004 | GMC | Sierra 2500 HD | N/A | |||
| 2004 | GMC | Sierra 3500 | N/A | |||
| 2003 | Chevrolet | Silverado 2500 HD | N/A | |||
| 2003 | Chevrolet | Silverado 3500 | N/A | |||
| 2003 | GMC | Sierra 2500 HD | N/A | |||
| 2003 | GMC | Sierra 3500 | N/A | |||
| 2002 | Chevrolet | Silverado 2500 HD | N/A | |||
| 2002 | Chevrolet | Silverado 3500 | N/A | |||
| 2002 | GMC | Sierra 2500 HD | N/A | |||
| 2002 | GMC | Sierra 3500 | N/A | |||
| 2001 | Chevrolet | Silverado 2500 HD | N/A | |||
| 2001 | Chevrolet | Silverado 3500 | N/A | |||
| 2001 | GMC | Sierra 2500 HD | N/A | |||
| 2001 | GMC | Sierra 3500 | N/A |
* 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.