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Generat‚Äčor Service

ONAN RV Generator Repair


Azusa, California 

Open to assist during COVID 19

Repairs - Service - New - Warranty 

Helping You Get Back on the Road so You Can Enjoy Your Valuable Vacation Time

Meet Our Owner

Garry Patton the sole owner and operator of Advanced Generator Service (formally known as Advanced Service) in Azusa, California. Garry has been in business sine1989. Garry has completed all hands-on and classroom training courses, and he received his dealership credentials and authorization to perform full-service warranty repairs for gasoline and propane  generators for Cummins Onan/Onan. 

By having one of the largest stock of Green Label Service parts in Southern California, he is confident to deliver complete repairs for his customers. Customers travel from far and wide to have Garry service and repair their generators;  customers from Ventura, Palmdale, Orange county, Riverside and San Bernardino counties.  As well as customer's throughout the San Gabriel valley.

Learn more about Garry by reading his biography below.


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