MechanMagic Smart Key Fob Replacement for Nissan Versa & Sentra (2013–2019) – CWTWB1U840, 315MHz, 46 Chip, 4 Buttons
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Description
xOverview
Meet MechanMagic, a practical replacement smart key fob designed to restore convenient keyless entry for Nissan Versa and Sentra models from 2013 through 2019. This compact remote mirrors the functionality of factory units by using the same basic frequency and chip configuration, offering a trustworthy option to regain access and ignition without swapping out the entire key system.
Key specifications and compatibility
Important specs to consider include FCC ID CWTWB1U840, IC ID 1788D-FWB11U840, a 315 MHz frequency, and a 46-chip configuration. The unit features a 4-button layout and is packaged as a ready-to-program remote, pre-tested to ensure reliability before shipping.
- COMPATIBILITY: Replacement remote for Nissan Versa and Sentra 2013–2019. For an exact match, use the vehicle fitment tool and verify the remote layout described here.
- REPLACEMENT PARTS: Matches the CWTWB1U840 variant with the corresponding part numbers and IC information.
- PROGRAMMING: This car remote must be cut and programmed by a qualified locksmith or dealership. There are two 2013 Sentra remotes, but this product supports the CWTWB1U840 variant only.
- BUILD AND TESTING: Brand-new remote with battery and electronics, fully pre-tested with professional tools before shipment. No logos on the exterior.
- NOTE: 1 x 4-button remote suitable for push-start vehicles; please confirm button function and remote location match your car’s configuration.
What to expect and practical use
- Restore convenience: A compact replacement that helps you lock/unlock and start your car without replacing the entire key fob.
- Signal and compatibility: Engineered to work with your car’s keyless system while preserving existing security features.
- Professional setup: Requires cutting and programming by a licensed locksmith or dealer to align with your vehicle.
Note: This product is intended as a replacement option. Success depends on proper matching of the original remote’s ID and layout. If in doubt, compare the FCC ID, chip type, frequency, and button arrangement to your current key fob before purchase. MechanMagic aims to provide a solid, supported replacement path without implying guaranteed results for every vehicle.
FAQ
Q: Is this remote compatible with Nissan Versa and Sentra models from 2013 to 2019?
A: Yes, it is designed to replace remotes for 2013–2019 Versa and Sentra models with FCC ID CWTWB1U840; verify your original ID and button layout.
Q: Does the remote arrive already programmed and ready to use?
A: No. It ships with components and a battery, but must be cut and programmed by a qualified locksmith or dealership.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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