CUMMINS 3970309 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
- Payment Methods
-
- SKU:
- CUMMINS 3970309
- MPN:
- 3970309
- Condition:
- New
- Shipping:
- $45.00 (Fixed Shipping Cost)

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Description
- Engineered for excellence in every connection
- Precision-fit wiring harness guarantees optimal control module communication
- Durability designed to withstand demanding operating environments
- 100% genuine OEM Cummins component manufactured for full system compatibility
CUMMINS 3970309 EXTERNAL CONTROL MODULE WIRING HARNESS-Experience unmatched synergy in Cummins power management with every link
This external control module wiring harness delivers enduring reliability tailored to maintain your equipment's health and operational efficiency. Crafted as a genuine OEM part, it ensures flawless interface and longevity essential for high-stakes power systems. Take decisive action—upgrade your Cummins system now and secure unwavering performance in the moments that matter most.
Feature that empowers your power system
- Seamless signal transmission supporting precise engine management
- Timely replacement prevents costly downtime and maintains warranty integrity
- Order your genuine harness today—fortify your Cummins equipment for the challenges ahead
Details
Product SKU: CUMMINS 3970309
Our knowledgeable support team stands ready to guide you toward the best solution for your Cummins replacement needs. Reach out anytime through our help center—we’re passionate about helping you find the perfect fit to restore your system’s reliability and maximize the life of your investment.
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