Arnott RH-3771 Suspension Ride Height Sensor - Rear Right

Brand Arnott RH-3771
Position Rear Right
Fits Lexus and Toyota · 14 vehicles

OE product. Maintains correct suspension height with a sensor and linkage arm.

New sensor. Standard-grade replacement with a black triangular connector.

Female connector with blade terminals for a straightforward electrical connection.

Cross-references Lexus 8940760021 and Lexus 8940760022 for the same application. See all 2.

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Arnott RH-3771 Rear Right Ride Height Sensor

Arnott RH-3771 is a vehicle-specific rear right suspension ride height sensor for select Lexus GX470 and Toyota 4Runner applications. It sends the suspension height signal to the vehicle computer to help maintain correct ride height and, where equipped, proper headlight leveling.

Key Features

  • Vehicle-specific rear right ride height sensor for the 2003-2009 Lexus GX470 and 2006-2007 Toyota 4Runner
  • Includes the sensor and linkage arm for OE-style replacement
  • New standard-grade replacement part
  • Black female connector with triangle shape
  • 3 male terminals, 1 wire, blade terminal type
  • Direct replacement for Lexus OE part numbers 8940760021 and 8940760022

Detailed Description

Arnott RH-3771 is built for the rear right position on the Lexus GX470 and Toyota 4Runner with factory suspension height sensing. The sensor monitors suspension position and relays that information to the vehicle computer so the system can maintain the correct ride height. This part number, RH-3771, is a practical OE-style replacement when the original sensor has worn out or been damaged by road debris, impact, water intrusion, or salt exposure.

This part cross-references Lexus OE numbers 8940760021 and 8940760022 for the same application. RH-3771 is a direct-fit solution for owners searching for a rear right ride height sensor for 2003-2009 Lexus GX470 or 2006-2007 Toyota 4Runner suspension systems.

What It Helps Address

  • Incorrect rear suspension height readings
  • Suspension warning or leveling system faults
  • Headlight aim issues on vehicles using ride height input
  • Sensor wear from age, moisture, or road contamination
  • Damage from debris or minor collision impact

Installation Notes and Tips

Install RH-3771 at the rear right suspension location and verify the linkage arm orientation before final tightening. Inspect the mounting points, wiring connector, and surrounding suspension components for corrosion or damage before replacement. After installation, clear any stored fault codes and confirm the vehicle height signal is reading correctly.

Quality Assurance

Arnott supplies OE-style suspension components engineered for vehicle-specific fitment. RH-3771 is a new replacement sensor built to restore proper height-signal communication in the suspension system.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009LexusGX470Rear Right
2009Toyota4RunnerRear Right
2008LexusGX470Rear Right
2008Toyota4RunnerRear Right
2007LexusGX470Rear Right
2007Toyota4RunnerRear Right
2006LexusGX470Rear Right
2006Toyota4RunnerRear Right
2005LexusGX470Rear Right
2005Toyota4RunnerRear Right
2004LexusGX470Rear Right
2004Toyota4RunnerRear Right
2003LexusGX470Rear Right
2003Toyota4RunnerRear Right
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Lexus — 8940760021Lexus — 8940760022