ONAN 503-1284 WATER HOSE - ONAN Genuine OEM Part
ONAN
- Payment methods
-
- SKU:
- ONAN 503-1284
- MPN:
- 503-1284
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


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Description
- Guaranteed genuine OEM ONAN part crafted for exact fit and function
- Ensures consistent coolant flow to regulate engine temperature efficiently
- Designed to withstand demanding conditions and resist leaks or wear
- Engineered precision meets dependable power—trust in authentic parts
ONAN 503-1284 WATER HOSE - Where Trust Meets Every Drop of Cooling
The ONAN 503-1284 water hose plays a critical role in maintaining your generator's optimal engine temperature, preventing overheating even under continuous operation. Crafted with utmost precision, this component ensures your power system runs smoothly and reliably. Invest in this essential OEM water hose to safeguard your generator's lifespan and efficiency. Experience robust performance backed by proven Cummins/Onan engineering.
Benefit that Inspires Confidence in Every Connection
- Authentic Cummins/Onan manufacturing guarantees compatibility and longevity
- Superior material composition resists abrasions, heat, and chemical exposure
- Helps maintain engine health, maximizing fuel economy and minimizing emissions
- Supports noise reduction through secure and leak-free coolant circulation
- Preserves warranty status by using original Cummins/Onan components
Details
Category: Water Hoses
Product SKU: ONAN 503-1284
Our customer care team is dedicated to guiding you toward the best purchasing decisions tailored to your generator’s needs. Should you require assistance, our help center is ready to provide expert support. We genuinely wish you a successful repair and enduring reliability with your ONAN 503-1284 water hose purchase, ensuring your power systems keep running strong.
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