Fuel Injector Compatible for Delphi A3 Series Common Rail Diesel Fuel Injector 33800-84001 , High-Pressure Injector compatible for Hyundai D4DD Engines in Commercial Vehicles

The Delphi A3 33800-84001 diesel injector is a high-pressure common rail fuel injector designed specifically for Hyundai D4DD diesel engines, commonly found in light commercial vehicles, buses, and small trucks. As part of the Delphi A3 electronic injector series, it offers consistent and precise fuel delivery, optimized for urban and intercity transport conditions.

Equivalent / OEM Codes:

• Delphi: A3 33800-84001

• Hyundai OEM: 33800-84001

• Cross-reference (depending on catalog): 28342997, 3380084001

Engine Compatibility:

• Hyundai D4DD 3.9L diesel engine

• Found in Euro III and Euro IV emission-compliant versions

• Used primarily in Hyundai Mighty, HD65, HD72, and HD78 commercial trucks and buses

Compatible Equipment (examples):

• Hyundai Mighty / HD Series light-duty trucks

• Hyundai County buses

• Other commercial vehicles equipped with D4DD diesel engines

Technical Notes:
The Delphi 33800-84001 injector is part of the A3 common rail system, known for fine fuel atomization, increased fuel efficiency, and lower emissions. Designed for high-mileage commercial use, it offers long-term reliability and must be ECU-coded upon installation to ensure seamless integration with the engine control system.