ONAN A040H604 AUXILIARY SWITCH Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN A040H604
- MPN:
- A040H604
- Condition:
- New
- Shipping:
- View Shipping Rates

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Description
- Dependability engineered to empower your generator’s operation.
- Precisely crafted auxiliary switch for responsive control and durability.
- Ensures consistent operation with high-quality materials designed for longevity.
- 100% OEM ONAN part, guaranteeing perfect fit and trusted generator compatibility.
ONAN A040H604 AUXILIARY SWITCH - Elevate Your Power Confidence with ONAN Precision
The ONAN A040H604 AUXILIARY SWITCH is a vital component designed to maintain flawless control signals within your generator system. Built to endure demanding conditions, this genuine OEM part ensures long-lasting performance and seamless integration. Invest in reliability—upgrade your generator now with the trusted ONAN A040H604 AUXILIARY SWITCH and keep your power running strong.
Feature to Trust When It Counts Most
- Reliable auxiliary switching action that safeguards engine responsiveness under critical load scenarios.
- Timely replacement prevents unexpected failures, supporting uninterrupted power delivery.
- Order your genuine ONAN A040H604 part now—engineer your backup power for peak performance.
Details
Product SKU: ONAN A040H604
Our knowledgeable support team is always ready to assist with your purchase decisions, ensuring you select the right part for your generator’s specific needs. Reach out via our help center for expert advice and personal attention. We are committed to helping you achieve a seamless repair and dependable power restoration every time.
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