CUMMINS 3976433 INJECTOR FUEL SUPPLY TUBE Original OEM part
CUMMINS
- Payment Methods
-
- SKU:
- CUMMINS 3976433
- MPN:
- 3976433
- Condition:
- New
- Shipping:
- $20.00 (Fixed Shipping Cost)

Available Inventory
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Competitive Pricing
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Customer Support
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Description
- Engineered for excellence, trusted for power — the CUMMINS promise in every part.
- Precision fit for optimal fuel delivery: Ensures consistent injector performance under demanding conditions.
- Durable construction: Built to withstand high pressures and resist corrosion for extended service life.
- 100% genuine Cummins OEM component: Guarantees perfect compatibility and preserves your engine warranty.
CUMMINS 3976433 INJECTOR FUEL SUPPLY TUBE – Power Your Engine with Cummins Integrity and Performance
The CUMMINS 3976433 Injector Fuel Supply Tube is a vital artery in your engine’s fuel system, precisely engineered to maintain optimum fuel flow and pressure consistency. Designed as a genuine OEM component, it ensures unmatched longevity and reliability in even the most challenging operating environments. Invest in this authentic part today to safeguard your engine’s health and enjoy worry-free operation. Take the step towards uncompromised power — your Cummins system deserves nothing less.
Key Feature that Defines Quality and Reliability
- Ensures precise and uninterrupted fuel flow to maintain engine efficiency and reduce emissions.
- Replacing worn or damaged tubes proactively prevents engine misfires and fuel leaks that can cause costly downtime.
- Secure your Cummins engine’s optimal performance by ordering this certified OEM part now and experience peace of mind.
Details
Product SKU: CUMMINS 3976433
Our team is dedicated to providing expert advice to help you select the perfect replacement part tailored to your needs. Reach out through our help center for personalized support that ensures your purchase is smooth and confident. We are passionate about empowering you to achieve the best repairs and prolong the life of your Cummins equipment with parts you can trust.
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