ONAN 309-0601 THERMOSTAT - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN 309-0601
- MPN:
- 309-0601
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock


Available Inventory
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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
- Genuine ONAN OEM thermostat engineered for seamless compatibility and durability
- Regulates engine coolant temperature to maintain optimal operating conditions
- Enhances engine life by preventing overheating and improving fuel efficiency
- Essential for maintaining the dependable and robust performance of your generator
ONAN 309-0601 THERMOSTAT - Precise Temperature Control for Reliable Power
The ONAN 309-0601 Thermostat is a critical component that safeguards your generator’s engine by ensuring efficient temperature regulation under diverse operating conditions. Trusted to deliver accurate thermal management, this part is key to maintaining reliability and extending engine life. Don't leave your power system’s health to chance—secure your ONAN thermostat now and experience performance engineered to last.
Benefit with Confidence through Authenticity and Precision
- 100% Original ONAN component guaranteeing direct fit and uncompromised quality
- Designed to optimize thermal control, reducing engine stress and emissions
- Improves fuel economy by enabling the engine to reach and maintain ideal temperature rapidly
- Contributes to quieter operation by preventing overheating-related inefficiencies
- Helps uphold warranty conditions and complies with safety standards essential for critical applications
Details
Category: Thermostats
Product SKU: ONAN 309-0601
Our expert team is committed to guiding you through your purchase, ensuring you select the perfect part for your Cummins Onan generator. We invite you to reach out anytime via our help center to receive dedicated support. With genuine parts and attentive service, we are excited to help you achieve a successful repair and lasting power system 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