Arnott RH-3999 Rear Ride Height Sensor for Tesla Model S

The Arnott RH-3999 is a high-quality replacement ride height sensor designed for the rear left or right position on 2012-2021 Tesla Model S vehicles equipped with air suspension. This critical component precisely measures the distance between the vehicle's chassis and the road surface, providing real-time data to the Electronic Control Unit (ECU) to maintain optimal ride height and suspension performance.

Key Features:

• Constructed from durable injection-molded resin with rugged mounting points
• Tested to 1 million cycles for long-lasting reliability
• Provides accurate height detection for proper air suspension adjustment
• Plug-and-play installation with OEM-level functionality
• Built to withstand exposure to road debris, water, salt, and harsh environmental conditions
• Matches or exceeds original equipment specifications

This ride height sensor communicates with the vehicle's ECU to signal the air suspension compressor when to fill or release air from the air struts, ensuring proper ride height is maintained under varying load and road conditions. The RH-3999 offers a cost-effective replacement solution that restores full air suspension functionality.

OEM Cross-Reference Numbers: Tesla 100417300A, 102797100A, 102797600A