ONAN 1100539 VALVE SPRING Original ONAN/CUMMINS OEM part PACK OF 2

ONAN
Genuine Part
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$25.17
$20.14
$22.99
$5.03
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SKU:
ONAN 110-0539
MPN:
110-0539
Condition:
New
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  • ONAN 1100539 VALVE SPRING Original ONAN/CUMMINS OEM part PACK OF 2
  • ONAN 1100539 VALVE SPRING Original ONAN/CUMMINS OEM part PACK OF 2
  • ONAN 1100539 VALVE SPRING Original ONAN/CUMMINS OEM part PACK OF 2
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Description

  • ONAN 110-0539 valve spring made from high-grade steel, supplied as a genuine OEM replacement part
  • Designed to control valve movement ensuring optimal engine timing and performance
  • Durable construction resists wear and deformation under extreme engine conditions
  • Official ONAN/CUMMINS OEM part guaranteeing exact compatibility and quality assurance

ONAN 110-0539 VALVE SPRING – Precision engineered to uphold power and dependability in every cycle

This is a ONAN ONAN 110-0539 valve spring replacement part designed for stationary and portable ONAN generators. Manufactured from hardened steel and authorized as an OEM component, this valve spring controls valve movement to maintain engine timing. Compatible with ONAN models including the 4.0 and 5.5 kW series, it offers longevity, exact fit, and OEM reliability. Order now to restore full engine function and safeguard your generator’s performance. Trust in parts built for power that lasts.

Critical valve spring feature

  • Precisely calibrated tension ensures consistent valve closure for optimal engine operation
  • Timely replacement prevents engine misfires and mechanical damage, ensuring safe performance
  • Act now to replace worn valve springs and avoid costly downtime or repair

Details

Product Details
SKU ONAN 110-0539
Brand ONAN
Part Type Valve Spring
Purpose / Intended Use Controls the closing force of the engine valve to ensure precise timing and prevent valve float, engineered specifically to maintain engine valve operation in ONAN generators


Final text: Our customer service team is available to provide expert guidance and assist you in selecting the correct ONAN 110-0539 valve spring. Contact us anytime through our Help Center for personalized support to secure the best part for your generator. We wish you a successful repair and a reliable generator operation.

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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.

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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.

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