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Arnott RH-3700 Headlight Level Sensor - Front Left
| Brand | Arnott RH-3700 |
|---|---|
| Position | Front Left |
| Connector Color | Black |
| Terminal Type | Blade |
| Grade Type | Standard |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Mounting Hardware Included | No |
| New Or Remanufactured | New |
| Fits | Audi and Bentley · 19 vehicles |
Ride height sensor. Measures chassis distance to help the suspension stay level.
New standard part. Built with a female oval connector and blade terminals.
Arnott aftermarket design for dependable suspension control.
Cross-references URO 4E0941285G, 4E0941285E and 4E0941285F for the same application. See all 3.
Arnott RH-3700 Headlight Level Sensor
Restore proper ride-height input for the suspension control system with the Arnott RH-3700 headlight level sensor. This new front left sensor monitors chassis-to-road distance and sends the signal the ECU uses to adjust air suspension output on Audi A8 Quattro, Audi S8, and Bentley Continental applications.
Key Features
- Brand: Arnott
- Part number: RH-3700
- Headlight level sensor / ride height sensor application
- New, standard-grade replacement
- Black connector with oval shape
- 1 female connector, 4 male blade terminals
- Front left position
- Direct replacement for select Audi and Bentley models
Detailed Description
The Arnott RH-3700 is an aftermarket ride height sensor used to report suspension position to the vehicle ECU. On equipped vehicles, that signal helps the system raise or lower air suspension pressure to maintain correct ride height and leveling. This sensor is a practical replacement for worn or damaged units on 2004-2010 Audi A8 Quattro, 2007-2010 Audi S8, and select Bentley Continental front left applications, including 2006-2007 Bentley Continental w/PR Code 2MA and 2009-2013 Bentley Continental w/PR Code 2MA. This part cross-references OE numbers 4E0941285E and 4E0941285F for the same application.
What It Helps Solve
- Incorrect vehicle leveling or uneven ride height
- Suspension warning messages related to ride height input
- Delayed or improper air suspension compressor response
- Sensor wear from road debris, water, salt, or impact damage
- Faulty front left ride height feedback on Audi A8 Quattro and Bentley Continental models
Installation Notes and Tips
Verify the connector style, terminal layout, and front left mounting location before installation. Inspect the linkage and surrounding suspension components for corrosion, impact damage, or binding that could affect sensor readings. After installation, clear any stored fault codes and confirm the system levels correctly during a road test.
Quality Assurance
Arnott supplies new replacement sensors built for standard service use in air suspension systems. The RH-3700 is engineered to provide the ride-height signal needed by the ECU for proper leveling control on the listed Audi and Bentley applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Bentley | Continental | Flying Spur Speed | Front Left | w/PR Code 2MA |
| 2012 | Bentley | Continental | Flying Spur Speed | Front Left | w/PR Code 2MA |
| 2011 | Bentley | Continental | Flying Spur Speed | Front Left | w/PR Code 2MA |
| 2010 | Audi | A8 Quattro | — | Front Left | — |
| 2010 | Audi | S8 | — | Front Left | — |
| 2010 | Bentley | Continental | Flying Spur | Front Left | w/PR Code 2MA |
| 2009 | Audi | A8 Quattro | — | Front Left | — |
| 2009 | Audi | S8 | — | Front Left | — |
| 2009 | Bentley | Continental | Flying Spur Speed | Front Left | w/PR Code 2MA |
| 2008 | Audi | A8 Quattro | — | Front Left | — |
| 2008 | Audi | S8 | — | Front Left | — |
| 2008 | Bentley | Continental | GTC | Front Left | — |
| 2007 | Audi | A8 Quattro | — | Front Left | — |
| 2007 | Audi | S8 | — | Front Left | — |
| 2007 | Bentley | Continental | Flying Spur | Front Left | w/PR Code 2MA |
| 2006 | Audi | A8 Quattro | — | Front Left | — |
| 2006 | Bentley | Continental | Flying Spur | Front Left | w/PR Code 2MA |
| 2005 | Audi | A8 Quattro | — | Front Left | — |
| 2004 | Audi | A8 Quattro | — | Front Left | — |
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