ONAN A040K503 FLANGE GASKET Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN A040K503
- MPN:
- A040K503
- Condition:
- New
- Shipping:
- View Shipping Rates

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Description
- Precision engineered for unwavering performance and durability
- Essential seal that maintains engine integrity and prevents leaks
- Crafted to exact Cummins Onan standards for flawless fit and function
- Authentic OEM component from ONAN, guaranteeing full compatibility and system safety
ONAN A040K503 FLANGE GASKET – The Heartbeat of Dependable Power with Every Fit
Designed to uphold the longevity and efficiency of your generator, the ONAN A040K503 FLANGE GASKET ensures a perfect, leak-free seal under demanding conditions. Its genuine OEM construction means it meets stringent Cummins/Onan benchmarks, offering peace of mind and sustained engine health. Secure your power system’s reliability—order this critical component now and empower your equipment to perform at its best.
Feature That Matters – The Quiet Guardian of Your Engine
- Seals joint surfaces precisely to prevent oil and coolant leaks, safeguarding engine parts.
- Timely replacement avoids costly damage and downtime, preserving your generator’s efficiency.
- Purchase your original ONAN A040K503 gasket today to maintain peak operational safety and performance.
Details
Product SKU: ONAN A040K503
Our team is committed to guiding you through every step of your purchase, ensuring the right fit for your generator application. Reach out anytime via our help center for expert advice tailored to your needs. We are passionate about supporting you in achieving a seamless repair experience and long-lasting generator performance.
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