ONAN 503-1923 OVERFLOW HOSE - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN 503-1923
- MPN:
- 503-1923
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


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Description
- Official ONAN genuine overflow hose designed specifically for Cummins Onan generator models.
- Effectively channels excess fluids to prevent engine flooding and maintain system integrity.
- Constructed from durable materials to withstand heat, pressure, and environmental exposure.
- Original parts preserve system reliability and uphold warranty compliance.
ONAN 503-1923 OVERFLOW HOSE - Depend on ONAN’s engineering excellence for uninterrupted power delivery
The ONAN 503-1923 Overflow Hose plays a crucial role in the fluid management system of your generator, preventing overflows that could compromise engine performance and lifetime. Its precise engineering ensures seamless integration and durability under demanding conditions. Secure this essential component today to maintain the superior reliability your power system requires and keep your generator running smoothly with original OEM quality.
Benefit you can count on from authentic ONAN parts
- Guaranteed exact fit for your Onan generator, eliminating installation guesswork.
- Engineered to enhance coolant flow and reduce risk of leaks or malfunctions.
- Resilience to extreme temperature fluctuations and vibration for long service life.
- Maintains system safety standards and extends engine health.
- Preserves manufacturer warranty eligibility by using genuine parts.
Details
Category: Hoses
Product SKU: ONAN 503-1923
Our expert team is committed to guiding you toward the best choice for your reactive power needs. For any inquiries or advice, please reach out through our Help Center. We are passionate about supporting your efforts to keep your equipment dependable and running at its best, ensuring a smooth repair and purchase 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