ONAN A040H539 AUXILIARY SWITCH Original ONAN/CUMMINS OEM part

ONAN
Genuine Part
(No reviews yet) Write a Review
$746.27
$681.72
$64.55
Availability:
Order today – If in stock, Ships within next business day

Sold Out

Payment Methods
  • AMERICAN EXPRESS
  • Pay
SKU:
ONAN A040H539
MPN:
A040H539
Condition:
New
Shipping:
$25.00 (Fixed Shipping Cost)
ONAN Original partOriginal Part Certification
Frequently bought together:

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

  • Dependable Power Control at Your Fingertips
  • Precision-engineered to maintain seamless operation of your ONAN generator system
  • Durable construction for long-lasting service in critical power applications
  • Guaranteed genuine ONAN OEM component ensuring perfect fit and optimal function

ONAN A040H539 AUXILIARY SWITCH – Empower Your ONAN Generator's Heartbeat

The ONAN A040H539 AUXILIARY SWITCH is crafted to uphold the integrity and responsiveness of your generator’s control system. Designed with longevity in mind, this OEM part preserves system reliability and safeguards engine health for years. Make the smart choice and equip your generator with authenticity—purchase now and experience dependable power delivery every time.

Feature Highlight – The Essential Link to Smooth Operation

  • Precisely controls auxiliary functions, ensuring your generator responds accurately to operational demands
  • Timely replacement prevents system malfunctions and power interruptions, protecting your investment
  • Secure your unit’s reliability today by choosing the genuine ONAN A040H539 AUXILIARY SWITCH—order with confidence

Details

Product SKU: ONAN A040H539

Our team is committed to guiding you through a seamless purchase experience, ready to provide expert advice whenever you need it via our help center. We genuinely wish you the best in your repair journey and trust this quality part will restore and enhance your generator’s performance.

View AllClose

0 Reviews

View AllClose

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.

View AllClose

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.

View AllClose