ONAN 504-0223 CHECK VALVE - ONAN Genuine OEM Part
ONAN
- Payment methods
-
- SKU:
- ONAN 504-0223
- MPN:
- 504-0223
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock


Inventory
Get the product you need quickly with our best fast-shipping prices.
Best price
Our store offers you the best deals for Lawn Mowers Belts.
Customer Service
Our team is always ready to answer your questions.
Description
- Certified genuine ONAN OEM part designed to meet exact Cummins specifications
- Ensures unidirectional fluid flow to prevent backflow and maintain system integrity
- Enhances engine protection by preserving proper lubrication and fuel delivery
- Engineered precision for dependable operation in critical power applications
ONAN 504-0223 CHECK VALVE - Precision engineered to empower your power system with trusted Onan reliability
The ONAN 504-0223 check valve is a vital component crafted to maintain optimal fluid control within your Cummins/Onan generator system. By preventing reverse flow, it safeguards internal parts from potential damage and promotes uninterrupted performance under varying load conditions. Acquire this OEM part to uphold your equipment’s efficiency and reliability—order now and secure your peace of mind with authentic Cummins quality.
Benefit that inspires confidence and ensures durability
- 100% OEM authenticity guaranteeing perfect fit and function
- Durable materials engineered to withstand harsh operational environments
- Precision flow regulation preventing costly engine damage
- Supports emissions control and fuel economy through reliable fluid management
- Maintains warranty compliance by using original Cummins/Onan parts
Details
Category: Check Valves
Product SKU: ONAN 504-0223
Our knowledgeable customer care team is committed to guiding you through choosing the correct replacement part for your generator needs. Reach out via our help center to receive expert assistance tailored to your situation. We genuinely hope your purchase delivers seamless repair success and lasting peace of mind for your power equipment.
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