ONAN 320-1139 - MAGNETIC CIRCUIT BREAKER ONAN/CUMMINS - Original OEM part
ONAN
- Payment methods
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- SKU:
- ONAN 320-1139
- MPN:
- 320-1139
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates

Available Inventory
Get what you need quickly with our wide stock and fast shipping.
Competitive Pricing
Enjoy competitive rates and great deals on every order.
Customer Support
Our team is always ready to answer your questions and provide the best assistance.
Description
- Depend on precision-engineered parts designed to keep your equipment running smoothly
- Experience enhanced equipment longevity with robust and reliable construction
- Designed to perfectly fit, ensuring seamless operation without modifications
- Genuine ONAN OEM part manufactured to meet strict quality standards
ONAN 320-1139 - Where Reliability Meets Genuine Performance in Every Replacement
The ONAN 320-1139 part is crafted to uphold the integrity and functionality of your outdoor equipment. Built with durability and exact fit in mind, this OEM component promises consistent operation and extends the service life of your machine. Secure authentic performance and invest in your equipment’s future by purchasing this essential replacement part today. Depend on genuine quality that empowers your work.
Feature that Drives Confidence
- Precision manufacturing ensures dependable function and compatibility with your ONAN equipment
- Timely replacement prevents unexpected failures, maintaining operational safety and efficiency
- Order now to guarantee minimal downtime and maximize your machine’s performance longevity
Details
Category: Circuit Breakers-Engines Parts
Product SKU: ONAN 320-1139
Our team remains committed to guiding you toward the best choice for your equipment needs. Should any questions arise, our help center is ready to assist you promptly. We genuinely hope this purchase brings you satisfaction and supports a smooth, efficient repair that keeps your ONAN equipment performing at its peak.
Returns Information
You may return new, non-used, and unopened items within 30 days of delivery date under a 20% re-stocking fee in case you do not need it anymore or you have ordered a wrong item.
We cannot accept any returns on "Pumps, Motors, Electrical Items & Transmissions" whether the product is used or new, however in rare cases we may allow an exception under a 40% re-stocking fee.
If you need to return an item, please go to our chat located in the lower right corner, select the option “Returns” and follow the steps to submit your request. Please have on your hands pictures of the item, they will be requested. You will shortly receive an answer from our Customer Service Team providing authorization and return instructions. Likewise, if an exception cannot be authorized, you will receive an answer from us. No returns will be accepted in our warehouse without an RMA number (Return Merchandise Authorization).
All return shipping costs are on customer's responsibility and will not be refundable.
Returns are inspected once they arrive. If the inspection determines that the items are used, non-resellable condition, or damaged, the return will be denied and the customer will be contacted to ship the parts back at the customers' request and cost.
Cancellations
You may cancel your order, in whole or in part, only if the part is backordered and it isn't ready to ship. Once an order has been shipped, sent from the supplier to our warehouse, or in the dispatch line, we cannot cancel it. If your order is shipped, you will need to follow our return policy to return the items you no longer want.
If you need to cancel an order or item for any reason, you may submit a cancellation request directly through your account to the "more options" section or contact us by live chat. All the cancellation requests are evaluated before its approval. If you submit a cancellation request out of business hours, on a weekend or holiday, it will be processed on the next available business day.
Please allow for the cancellation to be confirmed, and check your account for updates on the status. The cancellation process usually takes 24-48 hours to be confirmed by email. We will process your cancellation request and issue a refund to your original payment method.
In the event that an item becomes no longer available (NLA), we will cancel it from your order and ship the remaining items to you. We will send you an email notification if we cancel any part of your order.
Some products may contain chemicals known to the State of California to cause cancer or reproductive harm. ⚠️ WARNING: www.P65Warnings.ca.gov