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Advanced

Generat​or Service

ONAN RV Generator Repair

626-334-9299

Azusa, California 

Open to assist during COVID 19

Repairs - Service - New - Warranty 

2.8 HGJBB  RV Generator

Onan RV QG 2800 Generator 

Perfect  fit for campers and small trailers



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Onan RV QG 4000 Generator

deal for light and medium-duty applications with small size and weight constraints. Features exceptionally quiet operation, single-side servicing, and an enclosed muffler .

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4.0 KY  RV Generator

Onan 4.0 RV QG Generator

Onan 4.0 RV QG Generator at Advanced Generator Service

Onan 5.5 HGJAB RV Generator

Onan 5.5 RV QG Generator

Onan 5.5 made for RV or Trailer

Onan RV QG 5.5 Generator

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We also buy and sell  preowned generators 

Cummins Onan RV QG 2800 Generator

RV gas generator

Pre owned Onan Generators

2.8 Onan Gas Generator

We also have portable generators 

Onan Portables are available in 3 different 

sizes for all different needs

Click here for the

the Onan P2500i

Click here for the 

Onan P4500i

Click here for the Onan P9500df

Commercial Mobile

Commercial Mobile generators are for Camera trucks , Dog Groomers, and Lunch trucks and many other appliactions

OEM repair parts sold at Advanced Generator Service

Onan OEM Parts & Accessories

All the Onan parts in stock

Onan air filters and fuel filters

We carry a full line of Cummins Onan service & repair parts for RV and Commercial mobile Generators


Having trouble finding parts for your older generator?


No problem . We have in stock a large selection of those  hard to find parts for older generators