CUMMINS 3939720 VALVE INSERT Original OEM part
CUMMINS
- Payment Methods
-
- SKU:
- CUMMINS 3939720
- MPN:
- 3939720
- Condition:
- New
- Shipping:
- $25.00 (Fixed Shipping Cost)

Available Inventory
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Competitive Pricing
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Customer Support
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Description
- Precision crafted for enduring engine excellence
- Enhances combustion efficiency and engine vitality
- Designed to withstand high-stress operating conditions
- Guaranteed OEM authenticity for seamless compatibility
Trust CUMMINS 3939720 VALVE INSERT—Powering Performance Through Proven Engineering
The CUMMINS 3939720 VALVE INSERT is engineered to deliver uncompromising durability and consistent function throughout the lifespan of your engine. As an authentic OEM component, it integrates perfectly with your Cummins system to maintain optimal performance and prevent costly downtime. Take the step to secure your equipment’s future reliability by purchasing this essential part today and experience the true strength of Cummins engineering.
Features That Fuel Confidence
- Precision manufacturing ensures superior fit and operational reliability under demanding conditions.
- Timely replacement of valve inserts preserves engine health, preventing wear-related failures and expensive repairs.
- Invest now in genuine Cummins parts to maximize system longevity—place your order with confidence.
Details
Product SKU: CUMMINS 3939720
Our knowledgeable customer support team is dedicated to guiding you through your purchase, ensuring you receive expert advice tailored to your needs. We welcome you to reach out anytime via our help center. With passion and attention, we aim to help you achieve the best possible repair and performance outcome for your equipment.
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