Julie R.
2/28/2022
My RV electric was partially not working and John Swanson, Cummins Manager, walked me through the Onan generator circuit breaker as well as connections to the 110 volts in my RV. He is...
Cummins Sales and Service
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(17)
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310 N Johnson Ave
El Cajon, CA 92020
Cummins Sales and Service located in El Cajon provides expert service and repair by factory trained technicians on all Heavy, Medium and Light Duty Diesel and Natural Gas engines and powertrains, as well as field and shop service of Cummins Onan Power Generation equipment. Cummins also maintains a large inventory of Cummins Genuine parts and allied products. Call us in El Cajon, CA at (619) 593-3093 or call toll free 1-800 Cummins
Reviews
3.017 reviews
Curtis B.
8/26/2024
Same complaint as many others. Brought my coach in for a couple minor issues but mainly the Onan generator would not stay running. When it's hot out it will start but then within an hour die. Been...
Ish K.
2/22/2025
My Cummings Rv generator had been worked on 3 times and completely replaced in 2 years after I bought it new. The 2 year warranty expired few weeks before I could take it to Cummings. They...
Brad N.
7/9/2024
The greeter was nice. Dropped off my RV for generator repair, recall repair, and oil change and was told they would call me with an estimate after they diagnosed the problem. I called 5 times,...
Dave B.
6/21/2024
I don't usually write reviews, only if they are very good or bad. Today the Cummings dealer in El Cajon gets 1 star for being the worst organized company I have ever visited. Let me first say...
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