CUMMINS 4388321 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
- Payment Methods
-
- SKU:
- CUMMINS 4388321
- MPN:
- 4388321
- Condition:
- New
- Shipping:
- $55.00 (Fixed Shipping Cost)

Available Inventory
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Competitive Pricing
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Customer Support
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Description
- Precision engineered for peak emissions control and power preservation.
- Robust durability to withstand demanding operating conditions and extend engine life.
- Seamless OEM compatibility guarantees perfect fit and reliable function in all Cummins systems.
- Manufactured by Cummins to meet stringent quality and safety standards.
CUMMINS 4388321 AFTERTREATMENT DEVICE – Elevate Your Engine’s Clean Power Legacy
This genuine OEM aftertreatment device is crafted to manage exhaust pollutants effectively, promoting longer engine lifespan and improved fuel efficiency. Trust in Cummins’ engineering heritage to deliver reliability, while reducing emissions under all conditions. Invest now for guaranteed system integrity and performance that endures. Experience true Cummins precision in action.
Essential feature, timely care, confident decision
- Advanced emissions reduction technology preserves environmental compliance and engine health.
- Replacing the aftertreatment device promptly prevents costly engine damage and performance loss.
- Secure your equipment’s reliability with this authentic Cummins OEM part—order with confidence today!
Details
Product SKU: CUMMINS 4388321
Our knowledgeable team is dedicated to guiding you toward the optimal replacement part for your Cummins system. Reach out anytime via our help center for personalized support. We are passionate about empowering you with the right components to ensure the best repair outcomes and sustained equipment excellence.
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