| SKU | AT100627 |
| MOQ | 1 |
| KG/Piece | 1.50 KG |
| Returns | 30 days returns. Buyer pays for return shipping. If you use an Acctes shipping label, it will be deducted from your refund amount. See details |
| Position | Rear Left Rear Front Left Front Right |
| Model | MY M3 |

This is a genuine OEM front left (driver side) seatbelt retractor assembly with integrated pretensioner, designed exclusively for the 2024+ refreshed Tesla Model 3 Highland. As a critical component of your vehicle's Supplemental Restraint System (SRS), this assembly provides reliable occupant protection during sudden stops or collisions.
Unlike aftermarket replacements, this OEM assembly matches factory specifications exactly, ensuring seamless installation and full compatibility with your Model 3 Highland's safety systems. Part compatibility is critical: this assembly is engineered specifically for the 2024+ Highland Model 3, and will not fit 2017-2023 legacy Model 3 or Tesla Model Y vehicles.
1857705-C1-E (also referenced as 1857705C1E)
Genuine OEM replacement part built to Tesla factory quality standards
Complete assembly including integrated pyrotechnic pretensioner and automatic retractor mechanism
Front left (driver side) placement for 2024+ Tesla Model 3 Highland
Locking mechanism engages instantly during sudden deceleration or impact
Pretensioner removes belt slack milliseconds before airbag deployment, optimizing occupant positioning to reduce injury risk
Full compatibility with your vehicle's factory SRS (Supplemental Restraint System) control module
Durable, abrasion-resistant webbing designed for years of reliable use
Important Compatibility Note: The 2024+ Model 3 Highland uses different seat belt assemblies than 2017-2023 legacy Model 3 and Tesla Model Y. Always verify your original part number matches 1857705-C1-E before purchase to ensure proper fitment.
✅ 2024 Tesla Model 3 Highland (Front Left Driver Side)
✅ 2025 Tesla Model 3 Highland (Front Left Driver Side)
❌ Not compatible with 2017-2023 legacy Tesla Model 3
❌ Not compatible with any Tesla Model Y
❌ Not compatible with Tesla Model S or Model X
Your seatbelt assembly is a core component of your Tesla's passive safety system:
In a collision, the pyrotechnic pretensioner instantly retracts the seat belt to remove slack
This pulls the driver firmly into the optimal seating position milliseconds before airbag deployment
Proper positioning maximizes the effectiveness of the airbag system, significantly reducing the risk of severe injury
The automatic retractor maintains proper belt tension during normal driving while locking instantly during sudden maneuvers or impact
Always replace your seatbelt assembly after any collision, even if it appears undamaged. The pretensioner is a single-use component that deploys during impact and cannot be reset.
For maximum protection, always follow these usage guidelines from Tesla's official owner manual:
Position the shoulder section of the seat belt mid-way between your neck and your shoulder
Fit the lap section of the belt tightly across your hips, never across your stomach
Always adjust your seat to maintain a comfortable distance from the steering wheel and dashboard
Before adjusting your seat, always check that the area around the seat is clear of obstacles, people, and objects
Your order includes one complete front left driver side seatbelt assembly:
➡️ 1 x Front Left Driver Seat Belt Retractor Assembly with Integrated Pretensioner for 2024+ Tesla Model 3 Highland
Always verify OE part number matches your original component prior to completing purchase. Professional installation is recommended to ensure proper safety system function.
Payment
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.
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.
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
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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
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.
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.