Residential Genset Customer Support
Largest Autorized Service and Parts Network.
For your ongoing satisfaction and the dependability of your Cummins Onan genset, Cummins Onan offers a complete line of parts, oil and maintenance chemicals specifically designed for Cummins Onan gensets and available at your nearby Cummins Onan dealer.
Cummins Onan has trained, tested and certified Service Dealers covering most major metropolitan areas in the U.S. and Canada. For further assistance, in the U.S. and Canada, call our toll free number, 1-800-888-ONAN. Or call 1-763-574-5000 or visit the sales and service locator to find your nearest location.
Maintenance Schedules
Periodic maintenance is essential for top performance and long genset life. View our guide for normal periodic maintenance.
Residential Standby Generator Manuals
Provide your model and spec letter to search for and download free genset operator manuals. Also provides part numbers for Service, Installation and Parts mannuals that can be purchased from your local dealer.
Residential Standby Generator Warranty
Cummins Onan provides extensive warranty coverage and is completely transferable. View or download copies of our warranties.
Frequently Asked Questions
How do I switch over to the Home Standby System when the power goes out? What size system do I need? Find the answers to these and other questions in the FAQ.
Generator Identification
When contacting a Cummins Onan Authorized Residential Standby Service and Parts Dealer for service, maintenance or parts questions, always refer to the complete model, spec and serial number of your Cummins Onan Residential Standby generator.
