CUMMINS 3966805 WIRING HARNESS Original OEM part
CUMMINS
- Payment Methods
-
- SKU:
- CUMMINS 3966805
- MPN:
- 3966805
- Condition:
- New
- 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
- Engineered for excellence: Experience flawless electrical connectivity essential to your Cummins system's optimal function.
- Durable construction: Built to withstand harsh conditions, ensuring consistent operation and long service life.
- Precision fit: OEM-certified by Cummins for guaranteed compatibility and safety compliance.
- Only genuine Cummins parts deliver trusted performance and protect your investment.
Empower Your Cummins Legacy with the 3966805 Wiring Harness
The CUMMINS 3966805 wiring harness is meticulously crafted to maintain the integrity and functionality of your Cummins engine and generator systems. Designed for longevity and seamless integration, this OEM wiring harness ensures every electrical signal flows precisely where it should for maximum efficiency. Don’t settle for substitutes when reliability is paramount — make the smart choice and secure your system’s future with this essential Cummins component. Elevate your power solution now, backed by genuine Cummins quality.
Essential feature, timely replacement, confident choice
- Critical electrical pathway: Ensures uninterrupted communication among system components, preventing downtime.
- Replace before failure: Prevent costly repairs and safety risks by installing an OEM harness at the first sign of wear.
- Ready to install: Order genuine Cummins 3966805 harness today and empower your generator’s performance and reliability.
Details
Product SKU: CUMMINS 3966805
Our team is committed to guiding you through your purchase with expert advice and personalized support available anytime via our help center. We genuinely wish you a smooth shopping experience and a successful repair that restores your system’s trusted operation for years to come.
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