ONAN 309-0618 HIGH ENGINE TEMPERATURE SWITCH - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN 309-0618
- MPN:
- 309-0618
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock


Available Inventory
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Competitive Pricing
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Customer Support
Our team is always ready to answer your questions and provide the best assistance.
Description
- Authentic ONAN OEM component engineered for precision and durability
- Monitors engine temperature to prevent critical overheating conditions
- Enhances overall engine safety and supports seamless generator operation
- Engineered for peak performance in demanding power generation environments
ONAN 309-0618 HIGH ENGINE TEMPERATURE SWITCH - Trusted Precision from ONAN for Your Power System’s Vital Watchdog
The ONAN 309-0618 high engine temperature switch plays an essential role in safeguarding your generator’s engine by reliably detecting excessive heat and triggering timely responses to avoid damage. This precision component is a cornerstone for maintaining your system’s longevity and operational consistency. Ensure your power stays uninterrupted—secure this indispensable switch now and experience performance engineered to last.
Unmatched reliability with every switch
- Genuine OEM construction guarantees full compatibility and flawless integration with ONAN generator systems
- Accurate and responsive temperature monitoring critical for engine health preservation
- Designed to withstand harsh operating conditions maintaining consistent function over time
- Supports compliance with safety standards to protect your equipment and personnel
- Optimizes generator uptime by preventing costly overheating failures
Details
Category: Temperature Switches
Product SKU: ONAN 309-0618
Our team is committed to providing insightful guidance to ensure you select the right part for your specific needs. Should you require assistance, feel free to reach out through our dedicated help center. We are passionate about helping you achieve a successful repair and a long-lasting, dependable generator performance that you can trust.
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