Arnott RH-3777 Suspension Ride Height Sensor - Rear Left

Arnott RH-3777 Rear Left Ride Height Sensor

Arnott RH-3777 is an OES suspension ride height sensor for the rear left side of the Lexus GX460. It sends the vehicle computer the height signal needed to maintain correct suspension or headlight height, helping restore accurate ride-height feedback on GX460 models from 2010-2023.

This Arnott Suspension Ride Height Sensor - OES line focuses on vehicle-specific replacement parts built to match the original sensor application. RH-3777 includes the sensor and linkage arm configuration for the rear left position on the Lexus GX460, making it a direct-fit solution for OE-style suspension height monitoring.

Key Features

• Vehicle-specific OES ride height sensor for the rear left suspension position
• Maintains proper suspension height signal to the vehicle computer
• Supports correct headlight or suspension height control
• New replacement part with black female connector
• Triangle connector shape, 3 blade terminals, standard grade type
• Fits 2010-2021 Lexus GX460, rear left
• Fits 2022-2023 Lexus GX460, rear left

Detailed Description

Arnott RH-3777 is a rear left suspension ride height sensor for the Lexus GX460, engineered as an OES replacement for the original equipment application. The sensor monitors suspension position and relays that information to the vehicle computer so the system can maintain the correct ride height and related leveling functions. This part number, RH-3777, is built for the GX460 platform and is listed for 2010-2023 model years in the rear left position.

This part cross-references Lexus 8940860030 for the same application.

What It Helps Fix

• Incorrect suspension ride height readings
• Warning lights related to ride height or leveling systems
• Uneven rear suspension height on the Lexus GX460
• Headlight height issues tied to suspension sensor input
• Sensor failure caused by road debris, water, salt intrusion, or impact damage

Installation Notes and Tips

Install RH-3777 at the rear left suspension location on the Lexus GX460 and verify the linkage arm orientation before final tightening. Inspect the mounting points, connector, and surrounding suspension components for corrosion or damage before replacement. Confirm the connector style and terminal layout match the original sensor before installation.

Quality Assurance

Arnott RH-3777 is a new OES replacement part built for the specified Lexus GX460 applications. It is designed to replace the original ride height sensor function with OE-style fitment and signal output for the rear left suspension position.