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Heat Exchanger 3655859

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Genuine Parts

3655859 Cummins Heat Exchanger

  • Function : Transfers excess heat away from engine coolant to a secondary cooling medium (such as raw sea water in marine applications or external coolant loops) without allowing the two fluids to mix directly.
  • Primary Applications : Widely utilized in marine propulsion, marine auxiliary generators, and heavy industrial stationary engines (such as fire pumps or generator sets).
  • Design : Features a heavy-duty shell-and-tube construction built to handle extreme thermal loads and resist fluid corrosion.
  • Purpose : Ensures thermal stability under heavy load conditions, protecting critical engine components from thermal breakdown and maintaining peak engine efficiency.

The Cummins heat exchanger (Part #3655859) is a heavy-duty cooling system component designed primarily for large-bore Cummins diesel engines, including the NT855 / NTA855, K19/K38/K50, and QSK series.

Product reference
Heat

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