Part Number: CUMMINS‑319N
Type: Mechanical fuel injector (not electronic, not common rail)
Fuel Type: Diesel
Manufacturer: Cummins (OEM specification, often supplied via Bosch or Delphi depending on engine family)
Engine Applications:
Cummins N‑series and K‑series mechanical diesel engines
Heavy‑duty trucks, buses, construction, and industrial machinery using mechanical fuel systems
Function:
Receives pressurized fuel directly from the mechanical injection pump
Atomizes fuel into the combustion chamber at the correct timing
Maintains consistent spray pattern for efficient combustion
The CUMMINS‑319N is a mechanical diesel injector designed for Cummins heavy‑duty engines. It belongs to Cummins’ traditional mechanical fuel injection system, used in older trucks, buses, and industrial machinery before the adoption of electronic common rail (CR) technology.
DTP32122-1 ADE442T MECHANICAL INJECTOR BODIES 
