ONAN 3383973 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
-
- SKU:
- ONAN 338-3973
- MPN:
- 338-3973
- Condition:
- New
- Shipping:
- $105.00 (Fixed Shipping Cost)

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
- Engineered for precision, built for endurance—experience unmatched power connectivity with the ONAN 338-3973 Harness.
- Durable construction ensures seamless electrical flow, protecting your generator’s critical components from wear and environmental factors.
- Designed explicitly by ONAN for perfect compatibility and peak efficiency in outdoor power equipment applications.
- 100% Genuine OEM part maintaining your system’s warranty and compliance.
ONAN 338-3973 ENGINE OUTDOOR POWER EQUIPMENT HARNESS—Empowering your ONAN generator with steadfast connectivity and unmatched reliability
Crafted to meet the rigorous demands of high-performance outdoor power systems, the ONAN 338-3973 harness guarantees endurance and flawless integration. Choose this OEM harness to uphold your equipment’s efficiency, extend engine health, and ensure dependable operation under all conditions. Equip your generator with the best—make your purchase now and sustain power where it counts.
Feature insight that fuels confidence
- Robust wiring and connectors engineered to withstand harsh outdoor environments and vibration stresses.
- Timely replacement safeguards against power disruptions, system faults, and costly downtime.
- Invest in authenticity—secure this OEM harness to preserve your warranty and guarantee peak generator performance.
Details
Product SKU: ONAN 338-3973
Our knowledgeable support team is always ready to guide you through selecting the right parts to optimize your generator’s longevity and performance. Feel free to reach out via our help center—your satisfaction and a flawless repair are our genuine passions. We wish you the best in your maintenance journey and power resilience.
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