ONAN 5031143 HOSE CLAMP Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN 503-1143
- MPN:
- 503-1143
- Condition:
- New
- Shipping:
- View Shipping Rates

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Description
- Precision engineered for dependable connection and durability in every application.
- Ensures tight sealing to prevent leaks and maintain system efficiency.
- Constructed with high-grade materials to withstand demanding operational conditions.
- 100% Genuine OEM part from Onan—designed for seamless compatibility and peak generator performance.
ONAN 503-1143 HOSE CLAMP - The Essential Bond for Enduring Power
This genuine ONAN 503-1143 HOSE CLAMP is crafted to deliver unmatched reliability and longevity for your generator system. Engineered by the brand trusted worldwide, it ensures a secure, leak-free hose connection that safeguards your engine's performance. Invest in authentic quality to keep your power running smoothly when it matters most. Seize the assurance only original Cummins/Onan parts bring—secure your replacement now.
The Vital Link - Features that Empower
- Robust clamp design providing consistent pressure to prevent hose slippage and fluid leaks.
- Timely replacement avoids costly system downtime and ensures compliance with safety standards.
- Choose genuine ONAN parts today to maintain warranty validity and maximize your generator’s lifespan.
Details
Product SKU: ONAN 503-1143
Our team is dedicated to supporting your purchase with expert advice tailored to your generator’s needs. Reach out anytime through our help center—we are passionate about guiding you to the perfect fit for your repair job. We wish you a seamless installation and dependable operation with your ONAN parts.
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