NEW OEM Tesla MX/MS Fused Car Computer Hardware 4 Service Unit 1800857-S3-J
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The Tesla Fused Car Computer Hardware 4 Service Unit 1800857-S3-J is a genuine OEM service replacement for the advanced onboard computing system powering Tesla’s Hardware 4 (HW4) Autopilot and Full Self-Driving capabilities. This fused unit combines critical processing functions with integrated safety fusing, enabling reliable high-speed data processing for cameras, radar, and vehicle control systems. Designed specifically for Model X and Model S, it maintains full compatibility with Tesla’s latest autonomous driving architecture. This part is intended for service use and should only be installed by a certified technician, as it may require firmware updates and system calibration.
100% OEM Parts
Brand-new, original components for guaranteed quality.
Perfect Fit
Designed for seamless installation with no modifications.
Factory Performance
Maintain the reliability and efficiency of your EV.
Warranty Safe
Preserve your vehicle’s manufacturer-backed protection.
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