ONAN 309-0436 THERMOSTAT - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN 309-0436
- MPN:
- 309-0436
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


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
- This is a Genuine ONAN OEM Part, crafted to meet exact Cummins/Onan specifications.
- Regulates engine temperature efficiently, protecting your generator from overheating risks.
- Enhances fuel economy and reduces emissions by maintaining optimal operating conditions.
- Precision-engineered for dependable performance under demanding power generation needs.
ONAN 309-0436 THERMOSTAT - Engineered Precision for Your Power's Heartbeat
The ONAN 309-0436 thermostat plays a pivotal role in maintaining the ideal engine temperature to ensure your generator performs reliably and efficiently in every situation. This original part safeguards critical components, helping extend engine lifespan and maximize power output. Secure your equipment’s health—add the ONAN 309-0436 thermostat to your cart today and experience unwavering performance in every run.
Distinct advantage from authentic excellence
- 100% OEM compatibility guarantees flawless fit and seamless integration with your Cummins/Onan generator system.
- Constructed with high-grade materials to withstand harsh operating conditions and temperature fluctuations.
- Contributes to consistent engine operation, reducing downtime and costly repairs.
- Designed to support emissions compliance by stabilizing engine heat levels accurately.
Details
Category: Thermostats
Product SKU: ONAN 309-0436
Our team is committed to guiding you through your purchase, providing knowledgeable assistance to ensure you select the correct parts for your specific needs. Reach out via our help center for personalized support. We are passionate about helping you achieve the best repair experience and long-lasting reliability for your Cummins/Onan equipment.
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