ONAN
ONAN 503-1954 LOWER RADIATOR HOSE - ONAN Genuine OEM Part
- Payment methods
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- SKU:
- ONAN 503-1954
- MPN:
- 503-1954
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


Description
- This is a genuine OEM ONAN part designed specifically for perfect fit and reliability.
- Provides efficient coolant flow to protect your engine from overheating.
- Durable construction resists cracking, swelling, and premature wear under demanding conditions.
- Preserve your Cummins/ONAN generator’s long-term performance with authentic components.
ONAN 503-1954 LOWER RADIATOR HOSE – Trust in ONAN’s engineering to cool your power’s core
The ONAN 503-1954 Lower Radiator Hose plays a crucial role in maintaining the engine’s optimal temperature by facilitating effective coolant circulation. Using this genuine OEM hose ensures seamless integration and extends the life of your cooling system. Don't wait for overheating issues – equip your generator with this essential part and support uninterrupted, reliable power generation every time.
Real benefit with genuine craftsmanship
- Original ONAN manufacturing guarantees precise compatibility and fitment without modifications.
- Engineered to withstand high temperatures and pressures typical in rigorous power generation environments.
- Enhances engine health by preventing leaks and maintaining proper coolant flow.
- Supports emission controls and fuel efficiency by enabling the engine to operate within designed temperature ranges.
- Backed by Cummins/ONAN’s trusted engineering legacy, ensuring performance reliability.
Details
Category: Radiator Hoses
Product SKU: ONAN 503-1954
Our knowledgeable support team is readily available to assist you in selecting the right parts to keep your generator running at peak performance. Feel free to reach out through our help center for expert advice. We are committed to helping you achieve a smooth, efficient repair with parts that stand the test of time and usage.
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