Description
The CUMMINS‑137N is a mechanical diesel injector designed for Cummins heavy‑duty engines. It’s part of Cummins’ traditional mechanical fuel injection system, used before the widespread adoption of electronic common rail (CR) technology.
CUMMINS-137N CUMMINS NEW MECHANICAL INJECTOR
Part Number: CUMMINS‑137N
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
