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Aftermarket replacement for Cummins Onan® 300-5047

This unit is designed to work with HGJAE & HGJAF Spec A-J - NEW & IMPROVED!! Can now be used for both EFI (Electronic Fuel Injection) and Carbureted models. 

  • Exact replacement for the Onan 300-5047
  • Autodetects carbureted, fuel-injected, or LP configurations and switches modes accordingly.
  • Includes improved fault code system
  • Advanced detection system checks the conditions of your brushes, slip rings, and rotor while cranking. These are the most common issues that damage a controller. The generator will not start if damage is probable.
  • Improved circuit design over OEM
  • Over-sized heatsink for cooler operation
  • Encapsulated in automotive grade urethane for exceptional corrosion resistance

Please note that this part is NOT compatible with Vehicle Monitoring Systems like Silverleaf/Rozie.

Made in USA - 2 year warranty!  (Compare to Genuine part with 90 day warranty and not made in USA)

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  • Part #: 3005047-A
  • 4 In Stock