CAN Bus Plugs Shield NOX and DEF Close ECM Fits for 2017-2019 6.6L Duramax L5P Chevy Silverado 2500 3500

Shipping calculated at checkout.
Conditions: Brand New
Type: L5P CAN BUS Plugs
Material: High quality and durable
Color: as pictures shown
Qty: 4pcs/set

For 6.6L Duramax Diesel L5P 2017-2019 (Chevy Chevrolet Silverado HD and GMC Sierra HD trucks )
The plugs will go in place of the NOX and DEF module. The looped wires will provide a closed signal back to the ECM for proper operation.
For use with an Aftermarket Exhaust System.
A new engine calibration is required.

Package Included:
4 x CAN BUS Plugs


Installation of the plugs is relatively straightforward and can be performed by a qualified technician or experienced DIYer. The plugs are typically located near the ECM, and installation involves connecting them to the appropriate ports on the ECM and the vehicle's CAN bus. Care must be taken during installation to ensure that the plugs are properly seated and securely fastened to prevent any potential connectivity issues or damage to the plugs or the vehicle's electrical system.

1.Due to the light and screen difference, the item's color may be slightly different from the pictures.
2.All dimensions are measured by hand, there may be small deviations.
3.This Is Aftermarket Replacement Item.
4.Please check your correct replacement parts before purchase, the picture show more detail, thank you.
Shipping & Returns


At egrperformance, we strive for your complete satisfaction with every purchase. If you are not entirely satisfied, you may return any unused product within 45 days of the delivery date for a full refund. Kindly ensure that the item remains in the same condition as when you initially received it.

To facilitate a seamless return process, kindly adhere to the following guidelines:

1. Original Packaging: Ensure returned items are enclosed in their original packaging, including all boxes, plastic containers, bags, and equivalent protective materials.

2. Undamaged Condition: We cannot accept original packaging that has been damaged, as these items are no longer considered new.

3. Tags and Additional Components: The original packaging must also include all tags, information booklets, instructions, stickers, etc. For apparel, please ensure tags remain attached.

4. Secure Packing: Pack your returns firmly to prevent any damage in transit.  If we receive a damaged item, we cannot determine the cause of the damage and will not accept it as a return.5. Shipping Container: Avoid using the item's original packaging as the shipping container. Instead, place items in the original packaging inside a larger, separate shipping box. We recommend reusing the box your items were initially shipped in.6. Necessary Information: Remember to include the original invoice or other essential contact information with your return.7. Confirmation Process: Before returning items, make sure all return conditions are met. Take photos or videos and send them to our customer service team for confirmation. Once approved, ship the products promptly and provide our team with a valid tracking number. We will process the refund within three working days after receiving the item, we will not deduct any fees, full refund, The refund is expected to arrive within 1 working day after the refund is processed.



Please make sure to include a note with your order number (e.g., KE-XXXX) inside the package before sending it for delivery.



For a quicker exchange process, we recommend returning the item you wish to exchange and then placing a separate order for the desired new item..

Shipping Fee

If you want to return or exchange an item with no quality issues, you will be responsible for paying the return shipping fee. Please note, if the purchased part does not fit due to failure in checking the Fitment information carefully, you will also bear the cost of return shipping. We do not charge for re listing fees. However, if we provide incorrect Fitment information, we will bear the cost.

Product Issues

If you receive an incorrect item or the product has quality issues, we will process exchange or return requests within 3 business days. Since it is our fault, we will bear the cost of returning the goods. However, please follow the return standards to ensure that the items are in new condition and do not affect their resale.

Out-of-Stock Items

In case the product you ordered cannot be delivered on time due to inventory shortages, we will contact you via email. You may choose to wait for the stock to arrive or request a refund.

In case your specific situation falls outside the scope of the policy mentioned above, please do not hesitate to contact us. We will make every effort to support you in resolving the issue.