ONAN 5030803 12 FEET OF 05030110 HOSE Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
-
- SKU:
- ONAN 503-0803
- MPN:
- 503-0803
- Condition:
- New
- Shipping:
- $25.00 (Fixed Shipping Cost)

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Description
- Precision-engineered for seamless integration and optimal flow
- Durable construction designed to withstand rigorous generator conditions
- Authentic OEM component by ONAN, guaranteeing perfect compatibility and peak performance
ONAN 503-0803 12 FEET OF 0503-0110 HOSE – Empowering Your Generator’s Lifeline
Designed to maintain consistent fuel delivery and system integrity, the ONAN 503-0803 hose offers unmatched longevity crafted by the original manufacturer. This genuine OEM part ensures your ONAN generator runs smoothly and reliably. Take decisive action now by securing this essential component—power your peace of mind.
Unrivaled Feature That Keeps Your Power Flowing
- Precision-fit hose engineered specifically for ONAN systems to eliminate leaks and ensure optimal fuel delivery
- Timely replacement safeguards engine health and avoids costly downtime during critical operations
- Invest in your generator’s future—purchase the ONAN 503-0803 hose today and experience continuous performance
Details
Product SKU: ONAN 503-0803
Our team is committed to guiding you through a confident purchasing process and ensuring you select the perfect ONAN replacement part for your needs. Reach out anytime via our help center—we are passionate about supporting your pursuit of reliable repairs and unmatched generator performance.
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