ONAN 5040215 1/4 IN NPT CHECK VALVE Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
-
- SKU:
- ONAN 504-0215
- MPN:
- 504-0215
- Condition:
- New
- Shipping:
- View Shipping Rates

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
- Engineered Precision for Ultimate System Integrity
- Ensures Reliable Fuel and Air Flow Control
- Certified OEM Quality from ONAN for Guaranteed Compatibility
ONAN 504-0215 CHECK VALVE – The Heartbeat of Your Reliable Power
Designed to maintain flawless circulation and prevent backflow, the ONAN 504-0215 Check Valve safeguards your generator’s operational efficiency and longevity. Crafted by ONAN’s trusted OEM standards, this component delivers unrivaled durability and dependable performance. Take control of your power system’s health—upgrade with confidence and keep your generator running like new. Excellence in every detail, power in every turn.
Feature that Keeps You Powered with Confidence
- Precision-engineered to regulate fuel and air flow, ensuring optimized engine function.
- Timely replacement prevents costly downtime and extends generator lifespan.
- Act now—invest in a genuine ONAN 504-0215 Check Valve to secure your system’s stability and peace of mind.
Details
Product SKU: ONAN 504-0215
Our knowledgeable support team is always ready to assist you with expert guidance tailored to your generator’s needs. Reach out anytime through our help center for advice that empowers your purchase decisions. We are passionate about helping you achieve lasting repairs and the best performance from your Cummins Onan 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