Delphi EX634763 Fuel Injector

Delphi EX634763 Reman Diesel Fuel Injector

Delphi EX634763 is a premium replacement remanufactured diesel fuel injector built for medium-duty fuel injection systems. It combines OE heritage with a metal-and-plastic body, oval female connector, and pin terminals for a direct-service replacement in diesel applications.

For buyers searching for a diesel fuel injector for medium duty trucks or a Delphi EX634763 replacement injector, this part brings OE-based engineering to service work where accurate fuel delivery matters. It is supplied with gasket/seal components and trim code CD for application-specific calibration.

Key Features

• Brand: Delphi
• Part number: EX634763
• Fuel type: Diesel
• Item grade: Premium replacement
• Remanufactured injector for medium-duty systems
• Oval female connector with 2-pin terminal design
• Bolt attachment method
• Metal and plastic body construction
• Gasket or seal included
• Trim code CD included in package contents

Detailed Description

Delphi EX634763 is a reman diesel fuel injector engineered from the company’s OE background and aftermarket service experience. Delphi has supplied components to major automakers for decades, and that OE knowledge is reflected in the design and calibration approach used for this injector. The part number EX634763 is a practical choice for diesel fuel system service where consistent injector performance and correct electrical connection are required.

This injector uses a pin-style, 2-terminal female oval connector and bolts into place. It includes seal components and is listed for medium-duty system use. Search terms such as Delphi EX634763 diesel injector, reman fuel injector for medium duty, and diesel fuel injector replacement for Delphi applications are commonly used by technicians and fleet buyers looking for this exact service part. This part cross-references Caterpillar 10R-4763 and 233-3535 for the same application.

What It Helps Address

• Hard starting caused by poor injector fuel delivery
• Rough idle from inconsistent diesel atomization
• Excess smoke from worn or leaking injector performance
• Loss of power under load in medium-duty diesel engines
• Fuel system service needs requiring a remanufactured injector

Installation Notes and Tips

Verify the injector part number, trim code CD, connector style, and engine calibration before installation. Inspect the injector bore and sealing surfaces, and replace any damaged seals or O-rings during service. Confirm the electrical connector is clean and fully seated, and follow the manufacturer service procedure for torque and fuel system priming. For vehicle-specific searches, use terms such as Delphi EX634763 fuel injector for medium-duty diesel trucks and diesel injector replacement for compatible make/model applications.

Quality Assurance

Delphi builds on more than 100 years of OE experience, with supplier knowledge drawn from work with leading automakers. That OE heritage supports the design and remanufacturing process behind EX634763 and helps ensure a service-ready replacement for diesel fuel injection repair.