ONAN 5032049 COOLANT HOSE ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN 503-2049
- MPN:
- 503-2049
- Condition:
- New

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Description
- This is a genuine ONAN OEM coolant hose, part number 503-2049, designed for use in ONAN and Cummins generators.
- The coolant hose ensures efficient fluid transfer within the generator’s cooling system for optimal operation.
- Constructed from high-quality materials to provide durability and withstand harsh operating conditions.
- Manufactured and authorized by ONAN as a genuine OEM part to guarantee perfect fit and function.
ONAN 503-2049 – Powering Reliability Through Precision Engineering
This is a ONAN ONAN 503-2049 coolant hose replacement part designed for ONAN and Cummins generator cooling systems. As a genuine OEM component, it is authorized by ONAN to ensure precise fitment and optimal coolant flow. Compatible with various ONAN and Cummins generator models, this coolant hose supports engine temperature regulation, preventing overheating during operation. Built for longevity and performance, it offers a precise, leak-free seal that upholds OEM standards. Replace your coolant hose now to maintain operational integrity and maximize generator uptime. Rely on ONAN’s legacy of robust power solutions.
Critical Coolant Hose Performance
- Engineered to sustain high temperature and pressure within the cooling system for consistent fluid circulation.
- Timely replacement prevents coolant leaks that can lead to engine damage and costly downtime.
- Order now to secure your generator’s cooling efficiency and avoid emergency repairs.
Details
| Product Details | |
|---|---|
| SKU | ONAN 503-2049 |
| Brand | ONAN |
| Part Type | Coolant Hose |
| Purpose / Intended Use | Designed to transport coolant fluid between engine components, this hose regulates temperature by preventing overheating. It was engineered to match ONAN and Cummins generator cooling system specifications, providing a secure, leak-resistant connection that supports continuous generator operation under demanding conditions. |
Our customer service team is available to provide expert guidance ensuring you select the correct ONAN 503-2049 part for your generator. Reach out via our Help Center for personalized assistance. We are committed to helping you complete a successful repair with confidence and satisfaction.
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