ONAN 503315404 COOLANT HOSE Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN 503-3154-04
- MPN:
- 503-3154-04
- Condition:
- New
- Shipping:
- View Shipping Rates

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Description
- Engineered for reliability: Maintain optimal engine temperature with precision-fit coolant hose designed for superior performance.
- Durability that counts: Crafted from premium materials to resist cracking, leaks, and wear under demanding operating conditions.
- Certified OEM part: Guaranteed full compatibility with your Onan generator ensuring peak efficiency and manufacturer warranty compliance.
ONAN 503-3154-04 COOLANT HOSE – Harness the power of trusted innovation through Onan’s precision engineering
Specially designed to regulate your generator’s cooling system, the ONAN 503-3154-04 coolant hose delivers unmatched longevity and dependability. As a genuine OEM component, it perfectly matches factory specifications, helping protect your engine from overheating and wear. Upgrade your system now to secure flawless operation for years. Invest in genuine quality and keep your power running strong.
Feature that speaks volumes about care
- Precisely molded to ensure leak-free coolant flow and engine temperature stability.
- Timely replacement prevents costly repairs and extends generator lifespan.
- Order your genuine Onan coolant hose now to safeguard your generator’s core.
Details
Product SKU: ONAN 503-3154-04
Our expert team is ready to guide you through every step of your purchase, ensuring you select exactly the right part for your needs. Reach out anytime via our help center—we are passionate about empowering your repair journey. We wish you a successful installation and lasting generator reliability.
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