Part #: EX631050

Delphi EX631050 Fuel Injection Pump

20 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500
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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.

BrandDelphi
Part NumberEX631050
Connector GenderFemale
ElectricalNo
Electrical Connector Quantity1
Fuel TypeDiesel
Gasket Or Seal IncludedYes
Head Drive TypeNo
Housing MaterialMetal
In Tank or ExternalExternal
Mounting Hardware IncludedNo
Package ContentsFuel lnjection Pump, Seal, Instruction Sheet
Port Quantity2
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletSilverado 2500 HD6.6LV8N/A
2005ChevroletSilverado 35006.6LV8N/A
2005GMCSierra 2500 HD6.6LV8N/A
2005GMCSierra 35006.6LV8N/A
2004ChevroletSilverado 2500 HDN/A
2004ChevroletSilverado 3500N/A
2004GMCSierra 2500 HDN/A
2004GMCSierra 3500N/A
2003ChevroletSilverado 2500 HDN/A
2003ChevroletSilverado 3500N/A
2003GMCSierra 2500 HDN/A
2003GMCSierra 3500N/A
2002ChevroletSilverado 2500 HDN/A
2002ChevroletSilverado 3500N/A
2002GMCSierra 2500 HDN/A
2002GMCSierra 3500N/A
2001ChevroletSilverado 2500 HDN/A
2001ChevroletSilverado 3500N/A
2001GMCSierra 2500 HDN/A
2001GMCSierra 3500N/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:

2302262H10135525445020017739103800-1752197720662986437303CP3-005XCP3-017XDL2232IP140RIP22

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