Cummins 305-0851 Voltage Regulator for Onan RV Generators

The Cummins 305-0851 is a genuine OEM voltage regulator designed specifically for Onan Emerald and Marquis RV generator models. This critical component maintains consistent electrical output by automatically adjusting the generator's voltage to ensure stable power delivery to your RV's electrical systems.

Key Features:

• Genuine Cummins Onan replacement part for reliable performance
• Includes pre-wired harness for simplified installation
• Designed for Emerald and Marquis RV generator series
• Regulates generator voltage to protect sensitive electronics
• Direct OEM replacement ensures proper fit and function

This voltage regulator is essential for maintaining your generator's performance and protecting your RV's electrical equipment from voltage fluctuations. The included wiring harness makes replacement straightforward for technicians and DIY-savvy RV owners.