Arnott Industries RH-3954 rear left headlight level sensor for the 2015-2024 Ford Expedition and other vehicles measures the distance between the road and the chassis. Also called a suspension ride height sensor, it gives the air suspension the information it needs to level the vehicle.
- Sends its reading to the Electronic Control Unit (ECU), which signals the air suspension compressor to add or release air in the air struts
- Lab tested up to 1 million cycles
- Helps restore ride height sensing for suspension adjustment and vehicle stability
Quick facts
- Part: Arnott Industries RH-3954 headlight level sensor
- Also called: suspension ride height sensor
- Fits: 2015-2024 Ford Expedition and other vehicles
- Position: Rear left
- Condition: New
A headlight level sensor can wear out, and road debris, accidents, water and salt can damage it. Signs can include an uneven or sagging stance or a suspension warning light. A leaking air strut, a failing air suspension compressor or a damaged connector can be behind these signs too, so find the cause before buying a sensor.
Fits
It fits the 2015-2024 Ford Expedition and the 2015-2024 Lincoln Navigator. This listing is one sensor for the rear left. The 2015-2024 Ford Expedition takes one at that position, the rear right sensor is ordered separately, and replacing both rear sensors together gives the best results.
Specifications
Fit and size
- Position: Rear left
- Quantity per vehicle: 1
- Connector: female, oval
- Terminals: 3, male pin
Build and materials
- Grade: Standard replacement
- Condition: New
- Country of origin: China
Installation notes
- Plug-and-play integration for easy installation.
Interchange: FL1Z5A967B · FL1Z5A967D
Frequently Asked Questions
Is the Arnott RH-3954 rear left sensor right for the 2015-2024 Lincoln Navigator?
Yes. Arnott Industries RH-3954 fits the rear left position of the 2015-2024 Lincoln Navigator, as well as the 2015-2024 Ford Expedition.
Is the RH-3954 headlight level sensor connector male or female?
The connector is female and oval, and it holds three male pin terminals. The part is a standard replacement grade.
What can damage a headlight level sensor?
Road debris, accidents, water and salt intrusion can damage it, and it can also wear out with use. A shop can test the sensor and the air suspension if the ride height looks uneven.
How was the Arnott headlight level sensor tested?
Arnott Industries RH-3954 is lab tested up to 1 million cycles.
Does this headlight level sensor cross to FL1Z5A967B?
Yes. FL1Z5A967B is an interchange number for Arnott Industries RH-3954, along with FL1Z5A967D.
