NEW OEM Tesla Model S Rear Bumper Harness Assembly 1004421-04-Q

Ensure seamless connectivity and sensor integration with the NEW OEM Rear Bumper Wiring Harness Assembly (Part Number: 1004421-04-Q) for Tesla Model S. This critical harness assembly—designated ASY, HRN, MDLS, ALL, BUMP RR—is responsible for routing electrical signals to and from the rear bumper-mounted components, including parking sensors, lighting, and related modules. Designed to meet Tesla’s exacting standards, it provides a plug-and-play solution for replacing damaged or faulty rear harnesses in Model S vehicles. Whether you're performing a bumper replacement, sensor upgrade, or collision repair, this OEM harness ensures reliable signal transmission, proper sensor functionality, and full rear-end system integration.

Direct OEM replacement for factory rear bumper harness
Connects to pre-existing modules and sensor points in the rear bumper area
Professional installation recommended, especially when calibrating parking or radar sensors
Always verify build year and trim compatibility before installation