Arnott RH-3774 Suspension Ride Height Sensor - Rear Left
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Arnott

Arnott RH-3774 Suspension Ride Height Sensor - Rear Left

Brand Arnott RH-3774
Position Rear Left
Fits Lexus · 4 vehicles

OE-style replacement. New ride height sensor for straightforward suspension service.

Includes linkage arm. Sensor and linkage arm come together in one OE product.

Standard-grade construction. Built with a black triangular connector and blade terminals.

Cross-references Lexus 8940860020 for the same application. See all 1.

$315.22Free shipping
In stock · usually ships same day before 1pm CST
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Order total $315.22
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Arnott RH-3774 Rear Left Ride Height Sensor

Arnott RH-3774 is a vehicle-specific rear left suspension ride height sensor for the 2008-2011 Lexus LX570. It monitors suspension position and sends the signal the vehicle computer uses to maintain correct suspension or headlight height.

  • Vehicle-specific OE-style replacement for rear left suspension height sensing
  • Includes a linkage arm and sensor assembly
  • Black female connector with triangle shape
  • 3 blade terminals and 1-wire configuration
  • New standard-grade replacement part
  • Direct fit for 2008-2011 Lexus LX570, rear left

Detailed Product Overview

RH-3774 is built for the rear left position on the Lexus LX570 and follows the original equipment layout for accurate height feedback. By relaying suspension position data to the control system, this Arnott ride height sensor helps the vehicle maintain proper ride height control and related leveling functions. The RH-3774 part number is also a useful reference when sourcing a rear left Lexus LX570 ride height sensor replacement.

This part cross-references Lexus 8940860020 for the same application.

Common Problems This Part Can Address

  • Incorrect suspension ride height readings
  • Warning lights related to height control or leveling systems
  • Uneven rear suspension stance
  • Headlight leveling issues tied to ride height input
  • Sensor wear from road debris, water, salt, or impact damage

Installation Notes and Tips

Verify the rear left mounting location before installation and compare the connector, terminal layout, and linkage style to the original sensor. Inspect the mounting points and surrounding suspension components for corrosion, debris damage, or bent linkage hardware that could affect sensor readings. After installation, confirm that the vehicle computer recognizes the new sensor and that ride height values are within specification.

Quality Assurance

Arnott supplies this RH-3774 as a new OE-style replacement ride height sensor for the Lexus LX570 platform. Its vehicle-specific design supports accurate fitment and consistent signal output for the suspension control system.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011LexusLX570Rear Left—
2010LexusLX570Rear Left—
2009LexusLX570Rear Left—
2008LexusLX570Rear Left—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Lexus — 8940860020