Arnott RH-3775 Suspension Ride Height Sensor - Rear Left

Brand Arnott RH-3775
Position Rear Left
Connector Color Black
Terminal Type Blade
Wire Quantity 1
Grade Type Standard
Connector Quantity 1
Connector Shape Triangle
Terminal Quantity 3
Connector Gender Female
Terminal Gender Male
Mounting Hardware Included No
New Or Remanufactured New
Fits Lexus · 9 vehicles

OE-style replacement. Maintains correct suspension height with a sensor and linkage arm.

New sensor. Built as a fresh replacement, not remanufactured.

Single-connector design. Features a black triangular female connector with blade terminals.

Cross-references Lexus 8940860040 for the same application. See all 1.

$285.40Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $285.40
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Left Ride Height Sensor for Lexus LX570

Arnott RH-3775 is a vehicle-specific rear left suspension ride height sensor for the 2013-2021 Lexus LX570. It sends the suspension height signal to the vehicle computer to help maintain correct ride height and, where equipped, proper headlight leveling.

Built as a new OES-style replacement, RH-3775 includes the sensor and linkage arm for direct service on the rear left position of the Lexus LX570.

Key Features

  • Vehicle-specific rear left ride height sensor for 2013-2021 Lexus LX570
  • New OES replacement from Arnott
  • Includes sensor and linkage arm
  • Black connector with triangle shape
  • Female connector, blade terminals, 3 terminal positions, 1 wire
  • Standard grade construction
  • Direct replacement for Lexus OE part number 8940860040

Detailed Description

Arnott RH-3775 is a suspension ride height sensor engineered for the rear left side of the Lexus LX570. The sensor monitors vehicle height and communicates that information to the control system, helping the suspension maintain the correct stance and supporting headlight height control on equipped vehicles. This part number, RH-3775, is a practical OE-style replacement when the original sensor has worn out or been damaged.

This part cross-references Lexus 8940860040 for the same application. For buyers searching for a rear left ride height sensor for 2013-2021 Lexus LX570, RH-3775 provides the correct fitment and connector configuration.

What It Helps Address

  • Suspension height warning or incorrect ride height readings
  • Uneven vehicle stance at the rear left corner
  • Headlight leveling issues on equipped systems
  • Sensor failure from road debris, water intrusion, or salt exposure
  • Damage after minor impact or underbody contact

Installation Notes and Tips

Fits 2013-2021 Lexus LX570, rear left. Verify connector shape, terminal layout, and linkage orientation before installation. Inspect the mounting points and surrounding suspension components for corrosion, bent brackets, or debris that could affect sensor operation. After installation, clear any stored fault codes and confirm the vehicle height reading is stable.

Quality Assurance

Arnott supplies this as a new OES vehicle-specific replacement built to match the original application requirements for the Lexus LX570. RH-3775 is intended to restore proper signal output to the vehicle computer when replacing a worn or damaged rear left ride height sensor.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2021LexusLX570Rear Left
2020LexusLX570Rear Left
2019LexusLX570Rear Left
2018LexusLX570Rear Left
2017LexusLX570Rear Left
2016LexusLX570Rear Left
2015LexusLX570Rear Left
2014LexusLX570Rear Left
2013LexusLX570Rear Left
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Lexus — 8940860040