Volvo E3,E3.18 Series Common Rail Diesel Fuel Injector 33800-84840 , High-Pressure Injector compatible for Volvo D9 Engines in Trucks and Off-Highway Equipment

The Volvo E3–E3.18 33800-84840 diesel injector is a high-pressure, electronically controlled common rail injector designed for use in Volvo D9-series diesel engines, especially in heavy-duty trucks and industrial machinery. As part of the Delphi E3.18 common rail injector family, it offers precise fuel delivery, optimized combustion, and compliance with Euro IV/V emissions regulations, making it suitable for both road and off-road applications.

Equivalent / OEM Codes:

• Volvo / Hyundai OEM: 33800-84840

• Cross-referenced part numbers: 28370611, 3380084840

• Delphi system: E3.18 high-pressure electronic common rail platform

Engine Compatibility:

• Volvo D9A / D9B / D9C / D9D diesel engines (9.4L, inline-6)

• Used in Euro IV and Euro V emissions-certified applications

• Some cross-platform compatibility with Hyundai heavy-duty vehicles (shared injector designs)

Compatible Equipment (examples):

• Volvo FM / FMX / FE series trucks with D9 engines

• Volvo buses (B-series) powered by D9C/D9D engines

• Hyundai Xcient or Mega Truck (shared platform usage)

• Construction and industrial machines equipped with D9 industrial variants

Technical Notes:
The 33800-84840 injector, from the E3.18 Delphi common rail series, ensures high-pressure fuel atomization, leading to efficient combustion, lower fuel consumption, and reduced emissions. It must be coded and calibrated using Volvo Tech Tool (VCADS) or the appropriate OEM diagnostic system for proper ECU integration and system performance.