Delphi EX631045 Fuel Injector

Delphi EX631045 Diesel Fuel Injector Overview

The Delphi EX631045 is a remanufactured diesel fuel injector designed for light-duty diesel engines. Engineered to meet OEM specifications, this fuel injector is compatible with Chevrolet and GMC heavy-duty trucks, including the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models.

• Fuel Type: Diesel
• Terminal Type: Pin with 2 terminals
• Connector Shape: Round
• Gasket or Seal Included: Yes (1 O-ring)
• Attachment Method: Clamp with bolt
• Body Material: Combination of metal and plastic
• Mounting Hardware: Not included
• Item Grade: Standard replacement
• Package Contents: Fuel injector and instruction sheet
• System Type: Light duty diesel injector

Technical Details and Compatibility

The Delphi EX631045 fuel injector is specifically designed for use in light-duty diesel fuel injection systems. Its metal and plastic body construction ensures durability and reliable performance under typical operating conditions. The injector features a pin-type terminal with two terminals and a round connector shape, facilitating secure electrical connections. The included gasket and O-ring help maintain a proper seal to prevent fuel leaks. This remanufactured injector is intended as a standard replacement part, providing a cost-effective solution for maintaining fuel delivery efficiency in compatible Chevrolet and GMC trucks.

Compatible Vehicles

This fuel injector is compatible with the following models:

• Chevrolet Sierra 2500 HD
• Chevrolet Sierra 3500
• Chevrolet Silverado 2500 HD
• Chevrolet Silverado 3500
• GMC Sierra 2500 HD
• GMC Sierra 3500
• GMC Silverado 2500 HD
• GMC Silverado 3500

Common Applications and Issues Addressed

• Restores proper fuel atomization and injection timing
• Resolves rough idling and engine misfires in diesel engines
• Improves fuel efficiency by ensuring consistent fuel delivery
• Eliminates hard starting problems related to faulty injectors
• Reduces excessive exhaust smoke caused by injector malfunction

Installation Notes and Tips

Installation of the Delphi EX631045 fuel injector requires removal of the old injector and careful placement of the new unit using the included gasket and O-ring to ensure a proper seal. Note that mounting hardware is not included, so retain original clamps and bolts or source replacements as needed. The injector attaches using a clamp with a bolt, and the round connector should be securely connected to the vehicle’s wiring harness. Follow the included instruction sheet for detailed installation guidance and torque specifications.

Quality Assurance and Warranty

This Delphi fuel injector is remanufactured to meet industry standards for performance and reliability. It undergoes rigorous testing to ensure proper spray pattern and flow rate. While specific warranty details may vary, Delphi typically offers limited warranties on remanufactured fuel injectors covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms related to part number EX631045.