ONAN 5031137 HOSE CLAMP ONAN Genuine OEM Part - SUPERSEDED FROM 503-0189
ONAN
- Payment Methods
-
- SKU:
- ONAN 503-1137
- MPN:
- 503-1137
- Condition:
- New
- SUPERSEDED FROM:
- 503-0189

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Description
- ONAN 503-1137 is a high-quality metal hose clamp, supplied as a genuine OEM replacement part.
- Designed to securely fasten hoses within ONAN generator systems, ensuring a tight and leak-free connection.
- Constructed with durable materials to withstand vibration and temperature variations common in generator environments.
- This is an authentic OEM part from ONAN, superseding part number 503-0189 for direct compatibility.
ONAN 503-1137 HOSE CLAMP – Precision engineered to secure power where it counts
This is a ONAN 503-1137 hose clamp replacement part designed specifically for ONAN generator systems. Crafted from corrosion-resistant metal, this OEM-authorized clamp fastens fuel and coolant hoses securely to prevent leaks and system failures. Officially compatible with a wide range of ONAN generator models, including popular series such as the Emerald, Marquis, and RV QG lines. This clamp offers precise fitment and long-lasting reliability essential for generator operation. Purchase this genuine part today to ensure your equipment operates safely and efficiently. Secure your power with ONAN precision and trust.
Unyielding Strength
- Heavy-duty metal construction provides firm hose retention under stress and vibration.
- Timely replacement prevents hose leaks that can cause engine damage or power loss.
- Order now to maintain safe and uninterrupted generator function with genuine OEM quality.
Details
| Product Details | |
|---|---|
| SKU | ONAN 503-1137 |
| Brand | ONAN |
| Part Type | Hose Clamp |
| Purpose / Intended Use | This hose clamp is engineered to secure hoses within ONAN generator fuel and cooling systems, preventing disconnections and fluid leaks that could impair generator operation. It ensures a tight seal and reliable hose attachment under vibration and thermal changes. |
Our customer service team is ready to provide expert advice to help you select the correct part for your ONAN equipment. Contact us anytime through our Help Center for personalized assistance. We wish you a smooth ordering process and a successful repair with your genuine ONAN part.
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