Page last updated Sep 15, 2026 @ 11:06pm

300-5047

Replacement Control Board

 

This controller combines carbureted, fuel-injected, and LP functionality into one device!

Exact replacement for the Onan 300-5047.

• Auto detects 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 heat sink 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.

Item Number: 300-5047 Price: $733 Price last updated 9/14/2026 Shipping Weight: 2 lbs. This item normally ships in approximately 3 days or less.

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