CUMMINS 3900956 - EXPANSION PLUG - Original OEM part
CUMMINS
- Payment methods
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- SKU:
- CUMMINS 3900956
- MPN:
- 3900956
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


Available Inventory
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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
- Precision engineered for seamless integration with your CUMMINS engine
- Manufactured to withstand high temperature and pressure conditions for long-lasting performance
- Designed to maintain engine integrity by effectively sealing coolant passages
- Guaranteed authenticity as a CUMMINS OEM component for exact compatibility and warranty adherence
CUMMINS 3900956 EXPANSION PLUG - The Cornerstone of Engine Reliability Crafted by CUMMINS
The CUMMINS 3900956 Expansion Plug plays a vital role in preserving your engine’s cooling system integrity by ensuring an airtight and secure seal. Built for endurance and precision, this original OEM part delivers unmatched fit and dependable operation. Invest in genuine CUMMINS quality now to safeguard your equipment’s efficiency and longevity. Take action today and experience sustained performance with every use.
Essential feature that ensures peace of mind
- Robust construction prevents coolant leaks, protecting internal engine components from damage.
- Timely replacement avoids costly repairs by maintaining optimal engine temperature control.
- Order your genuine CUMMINS 3900956 Expansion Plug now to uphold safety and performance standards.
Details
Category: Expansion Plugs-Engines Parts
Product SKU: CUMMINS 3900956
Our knowledgeable customer support team remains available to provide expert guidance, ensuring your purchase suits your machine’s needs perfectly. Reach out anytime via our help center for comprehensive assistance. We are committed to helping you achieve the most effective repair and equipment upkeep possible.
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