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1521914-S1-C Modem EU (LTE) REV01 For Tesla Model 3&Y

Product Price
$ 85.72 In Stock
SKUAT100564
MOQ1
KG/Piece0.50 KG
Returns30 days returns. Buyer pays for return shipping. If you use an Acctes shipping label, it will be deducted from your refund amount.
See details
Module Type LTE Connectivity Card Wireless Communication Control Module Modem
Model Early Version Updated Version EU LTE
Quantity

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EU 4G LTE Car Modem for Tesla Model S / 3 / X / Y

Product Overview

The 1521914-S1-C EU 4G LTE Modem is a high-performance vehicle internet connectivity module designed specifically for European-market Tesla vehicles. This original equipment replacement and upgrade unit provides reliable, high-speed cellular connectivity to enable all of Tesla's cloud-connected features, including real-time navigation, over-the-air software updates, remote diagnostics, and in-car Wi-Fi hotspot functionality for passengers.

Built on the Titan LE940B6-RW platform, this modem delivers consistent LTE connectivity across European cellular networks, making it an ideal replacement for faulty factory modules or an upgrade for vehicles that did not come equipped with factory cellular connectivity.

Genuine Original Equipment Number

OE Number: 1521914-S1-C

Alternate Part Number: 1521914S1C

Key Features

  • ✔️ Wide Tesla Compatibility: Engineered to fit all EU versions of Tesla Model S, 3, X, and Y with universal fitment that preserves original vehicle functionality and aesthetics

  • ✔️ High-Speed 4G LTE Performance: Advanced LTE technology delivers speeds up to 100Mbps, supporting seamless HD video streaming, fast software downloads, and uninterrupted connectivity even at highway speeds

  • ✔️ Long-Lasting Durability: Built to withstand the harsh automotive environment with high-quality components that ensure consistent, reliable performance over years of use

  • ✔️ Secure Data Transmission: Encrypted data connectivity keeps personal information protected during all online activities, providing peace of mind when connected to cellular networks

  • ✔️ Simple Installation: Direct drop-in replacement for factory modules with no complicated modifications required, allowing you to restore connectivity quickly and get back on the road

  • ✔️ Enables Full Tesla Functionality: Supports all connected vehicle features including real-time traffic navigation, over-the-air software updates, remote access via the Tesla mobile app, and in-car Wi-Fi hotspot for passenger devices

  • ✔️ European Network Optimized: Specifically calibrated for European 4G LTE cellular bands to ensure reliable coverage across all EU regions

Technical Specifications

SpecificationDetails
OE Part Number1521914-S1-C
ModelTitan LE940B6-RW
Connectivity Type4G LTE (Cat 4)
Peak Download SpeedUp to 100Mbps
Compatible Tesla ModelsModel 3, Model Y, Model S, Model X (EU Market)
Region CompatibilityEuropean Union
FunctionVehicle Telematics & Internet Connectivity Unit
RevisionREV01

Common Applications

🔧 Factory Module Replacement: Replace damaged, faulty, or outdated original LTE connectivity modules in Tesla vehicles

⬆️ Connectivity Upgrade: Add factory 4G LTE connectivity to Tesla vehicles that did not come equipped with a cellular module from production

📶 Improved Signal Performance: Upgrade to a newer generation module for better cellular coverage and more consistent connectivity in your region

✨ Enable Premium Connectivity: Unlock all Tesla Premium Connectivity features including satellite maps, music streaming, and in-car Wi-Fi hotspot

Package Contents

  • 1 x 1521914-S1-C EU 4G LTE Modem Connectivity Unit for Tesla

Important Note: This is a REV01 4G LTE modem designed for European cellular networks. Please verify your vehicle's original part number matches 1521914-S1-C before purchasing to ensure proper fitment and compatibility.

Payment

  1. We accept a variety of safe and convenient payment methods to meet your different transaction needs, including Alipay, Visa, MasterCard, Telegraph Transfer (T/T), Western Union, and other mainstream payment channels. We also support customized payment solutions according to your actual needs. If you have special payment requirements (such as other payment methods not listed), please feel free to consult our customer service window, and we will provide you with the most suitable payment plan.

  2. Before completing the payment, please carefully check and confirm the accuracy of the payment amount, your account information, and the receiving address. Any errors in the above information may lead to payment failure, payment delay, or delivery errors. We will not be responsible for any losses caused by incorrect information provided by the buyer.

  3. If you encounter any problems during the payment process (such as payment failure, payment stuck, etc.), please contact our customer service in a timely manner. We will respond to you within 24 hours and help you solve the problem to ensure the smooth progress of your payment.

Shipping

  1. All orders will be processed and shipped within 3-5 business days after we receive your full payment (excluding weekends, public holidays, and force majeure events such as natural disasters and logistics outages). Before shipment, our professional quality inspection team will conduct a comprehensive inspection of the goods to ensure that the product quality meets the standard and there is no damage or missing parts.

  2. We only ship goods to the confirmed order address. Please make sure that your order address is consistent with your actual shipping address. If you need to modify the shipping address, please contact our customer service in a timely manner before the order is shipped. Once the goods are dispatched, we will not be able to change the shipping address, and any losses caused thereby shall be borne by the buyer.

  3. For international shipments, the delivery time is affected by factors such as customs clearance speed, local logistics efficiency, and regional policy restrictions. Therefore, we cannot guarantee the exact delivery time. We will provide you with a logistics tracking number immediately after the goods are shipped, so you can check the real-time logistics status at any time.

  4. Any customs duties, import taxes, or other additional fees incurred during the international transportation of goods shall be borne by the buyer. We will provide all necessary documents (such as commercial invoices) required for customs clearance to assist you in completing the customs clearance process smoothly. If you need help with customs clearance-related issues, please contact our customer service.

  5. During the transportation process, if the goods are damaged, lost, or have missing parts due to logistics reasons, please take photos and keep the relevant logistics documents in a timely manner, and contact our customer service immediately. We will verify the situation and provide you with solutions such as return, replacement, or refund according to the actual situation.

  6. Please pay attention to the logistics tracking information. If you find any abnormalities (such as delayed delivery, wrong delivery address, etc.), please contact us in time, and we will coordinate with the logistics company to solve the problem as soon as possible.

Terms Of Sale

  1. If you have any questions about the product, payment, shipping, or other related matters, please contact our customer service in a timely manner. We will respond to you within 24 hours and provide professional solutions to ensure that your problems are properly resolved.

  2. If you do not receive the goods within the expected time, or if you are not satisfied with the received goods (such as product damage, inconsistent specifications, etc.), please do not open a dispute or leave neutral/negative feedback without communication. Contact us first, and we will actively coordinate and solve the problem for you to your satisfaction.

  3. If you receive defective goods (a rare occurrence), please provide clear photos that can show the problem, and we will provide you with a full refund or free replacement according to the actual situation. No additional fees will be charged to you during the process.

Returned & Refund

Your satisfaction is our top priority. All goods are strictly inspected and tested before shipment to ensure that they meet the quality standards.

  1. If you are not satisfied with the goods received, or if the product does not match the description, please contact us first to confirm the return address and logistics method before returning the goods. Do not return the goods without authorization, otherwise, we will not be able to process your return and refund normally.

  2. All returned goods must be in their original condition (without damage, missing parts, or signs of use), and you need to provide the logistics tracking number and a detailed description of the return reason.

  3. The shipping cost for returning the goods shall be borne by the buyer. If the return is caused by our own reasons (such as wrong product, quality problems), we will bear the return shipping cost and provide you with a full refund or free replacement.

  4. If the goods are damaged, lost, or have missing parts due to the buyer’s improper use, storage, or transportation, the buyer shall be responsible for the corresponding losses, and we will not provide a full refund or replacement service.

Feedback

  1. Customer satisfaction is the foundation of our development. Your feedback is very important to us. Whether it is praise, suggestions, or complaints, please feel free to contact us. We will carefully listen to your opinions and continuously optimize our products and services.

  2. If you are satisfied with our products and services, we would appreciate it if you could leave positive feedback. If you have any dissatisfaction, please contact us before leaving neutral or negative feedback—we will do our best to solve the problem and give you a satisfactory reply.



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