ONAN
ONAN 320-1139 MAGNETIC CIRCUIT BREAKER - ONAN Genuine OEM Part
- Payment methods
-
- SKU:
- ONAN 320-1139
- MPN:
- 320-1139
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


Description
- Guaranteed genuine ONAN OEM component designed for seamless integration
- Provides precise electrical circuit protection to prevent overloads and damage
- Ensures consistent generator operation by mitigating electrical faults
- Supports safety and durability standards expected from Cummins power systems
ONAN 320-1139 MAGNETIC CIRCUIT BREAKER - Power safety engineered with ONAN precision
The ONAN 320-1139 magnetic circuit breaker safeguards your generator’s critical electrical circuits by reliably interrupting excess current flow. This essential component preserves your power system’s integrity and prevents costly damage during operation. Secure your backup power solution with genuine OEM quality that supports peak performance and electrical safety. Equip your generator with trusted protection and shop this key part now to assure ongoing reliability and compliance.
Benefit you can depend on
- Authentically manufactured by ONAN for guaranteed compatibility and longevity
- Designed to maintain optimal electrical flow, enhancing overall system efficiency
- Ensures protection under demanding conditions, reinforcing equipment resilience
- Mitigates downtime risks by promptly interrupting circuit faults
- Supports fuel economy and noise reduction indirectly by stabilizing power delivery
Details
Category: Circuit Breakers
Product SKU: ONAN 320-1139
Our team is committed to guiding you through every step of your purchase to ensure you select the right part for your generator’s needs. Connect with us anytime via our help center for expert advice tailored to your situation. We truly hope this genuine ONAN 320-1139 Magnetic Circuit Breaker serves as a reliable solution, helping you achieve a long-lasting and effective generator repair experience.
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