ONAN 357-0020 DIODE ASSEMBLY - ONAN Genuine OEM Part
ONAN
- Payment methods
-
- SKU:
- ONAN 357-0020
- MPN:
- 357-0020
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


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
- 100% Genuine ONAN OEM Component for assured compatibility
- Essential for regulating electrical current flow within your generator system
- Supports stable power output and prevents reverse current damage
- Maintain system integrity and longevity with authentic parts engineered by Cummins/Onan
ONAN 357-0020 DIODE ASSEMBLY - Powering Your Onan Generator’s Heartbeat
The ONAN 357-0020 Diode Assembly plays a crucial role in sustaining your generator’s electrical system by ensuring proper current direction and protecting sensitive components. This part is indispensable for both maintaining engine longevity and preserving consistent power output. Obtain this vital component today and secure your generator’s dependable performance through genuine craftsmanship.
Realize Stronger Trust and Endurance with Your Diode Assembly
- Original ONAN design guarantees flawless fit and function
- Enhances engine electrical stability to reduce unexpected failures
- Precision-engineered to minimize energy losses, optimizing fuel economy
- Durable construction stands up to demanding operational environments
- Supports compliance with safety and emissions standards inherent to Cummins/Onan systems
Details
Category: Lights
Product SKU: ONAN 357-0020
Our team is committed to guiding you through your purchase, ensuring the part you select perfectly matches your equipment needs. For any questions or specialized support, you can reach out through our help center anytime. We genuinely hope this purchase marks the beginning of a seamless and powerful repair journey for your Onan generator system.
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