ONAN 503-2837-01 FUEL RETURN HOSE - ONAN Genuine OEM Part
ONAN
- Payment methods
-
- SKU:
- ONAN 503-2837-01
- MPN:
- 503-2837-01
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock


Available Inventory
Get what you need quickly with our wide stock and fast shipping.
Competitive Pricing
Enjoy competitive rates and great deals on every order.
Customer Support
Our team is always ready to answer your questions and provide the best assistance.
Description
- Certified Genuine ONAN replacement part guaranteeing exact fit and durability.
- Ensures efficient fuel recirculation to maintain engine temperature and performance stability.
- Constructed for superior resistance to fuel degradation and environmental stress.
- Engineered to protect your power system integrity and extend equipment lifespan.
ONAN 503-2837-01 FUEL RETURN HOSE - Empower Your Generator with Precision and Trust
The ONAN 503-2837-01 Fuel Return Hose is essential for maintaining smooth fuel cycling in your generator system, directly supporting engine health and optimal operation. Its robust design safeguards fuel integrity under demanding conditions, preserving performance and reducing downtime. Secure this vital component now and experience seamless power delivery that truly reflects ONAN’s engineering excellence.
Functional benefit crafted to inspire confidence
- Authentic ONAN OEM component designed for perfect compatibility and long-term reliability.
- Enhances fuel system efficiency, contributing to improved engine response and fuel economy.
- Durable material composition resists cracking, leaks, and fuel contamination risks.
- Supports emission control by ensuring precise fuel return flow within your generator setup.
- Facilitates quieter engine operation by maintaining proper fuel pressure balance.
Details
Category: Fuel Hoses
Product SKU: ONAN 503-2837-01
Our knowledgeable customer support team is always ready to assist you with expert guidance for a confident purchase. Reach out through our help center to ensure you select the perfect part for your generator’s needs. We are committed to helping you achieve a successful repair and long-lasting power reliability with every order.
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