Land Rover Discovery 4 L319 Acceleration Throttle Gas Pedal AH22-9F836-BB

The Land Rover Discovery 4 L319 Accelerator Pedal (Gas Pedal) is a precise component of the drivetrain control system, designed for diesel engine versions with automatic transmission. It ensures stable, repeatable signal transmission to the engine control unit, resulting in predictable throttle response and comfortable driving. By adhering to factory specifications, it is a particularly beneficial solution for drivetrain repairs in the Discovery 4.

Specifications and technical data

• SKU: RHD-AH22-9F836-BB
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-9F836-BB
• Substitutable numbers: AH22-9F836-BB, AH229F836BB, LR029899
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Accelerator Pedal
• Category: Pedal Assemblies, Pads & Parts

Application in Land Rover Discovery 4 L319

The presented accelerator pedal has been specifically designed for the Land Rover Discovery 4 L319 model, guaranteeing a proper fit to the factory mounting and correct interaction with the vehicle's electronics. This component is intended for diesel-powered vehicles equipped with an automatic transmission, ensuring compatibility with the factory software of the engine and transmission control units.

Such precise matching is particularly important in modern drivetrain systems, where the accelerator pedal functions as an electronic position sensor rather than a classic mechanical linkage. The correct selection of this component helps avoid issues with throttle response, control unit errors, or uneven engine operation.

Technical and Functional Characteristics

The accelerator pedal in the Discovery 4 L319 operates fully electronically, transmitting a signal to the engine control unit that corresponds to the current pedal position. In conjunction with the automatic transmission, this enables smooth gear changes and comfortable acceleration under various road conditions. The version designed for diesel engines is calibrated to the torque characteristics typical of diesel units.

Key advantages of this solution include:

• consistent interaction with the diesel engine control system,
• appropriate signal characteristics for the automatic transmission,
• stable operation within typical load and speed ranges,
• retention of the factory mounting method in the driver's cabin.

Benefits of Using an Original Accelerator Pedal

Choosing an accelerator pedal dedicated to the Discovery 4 L319 helps maintain the cohesive operation of the entire drivetrain. The original Land Rover design ensures compliance with the vehicle's factory parameters, which is important for both driving comfort and the longevity of other components. The correct signal from the accelerator pedal influences fuel delivery, turbocharger response, and the gear shifting logic in the automatic transmission.

This component, from the Pedals, Pedal Covers, and Footrests category, directly affects how the driver perceives the car's reaction to throttle input. For the Discovery 4, often used off-road and under load, proper accelerator pedal function is also crucial for precise low-speed maneuvering and safe overtaking on highways.

Integration with Diesel Drivetrain and Automatic Transmission

In diesel-powered vehicles, the signal from the accelerator pedal is one of the primary inputs for the engine control unit, which uses it to determine fuel injection quantity and boost pressure. In combination with an automatic transmission, this allows for:

• smooth, jerk-free acceleration,
• better adaptation of gear ratios to the driver's style,
• stable speed maintenance during highway driving,
• precise power delivery off-road and on slippery surfaces.

By adhering to factory parameters, the accelerator pedal works with the existing control unit configuration, without the need for vehicle software modifications.

Mounting Area and Related Components

The accelerator pedal in the Discovery 4 L319 is mounted in the floor area on the driver's side and interacts with other components from the Pedals, Pedal Covers, and Footrests group. If you are planning a comprehensive repair or upgrade of the floor area in your Land Rover and require other items from this group, such as additional covers, footrests, or other pedals, please check the available parts in the Land Rover Pedals, Pedal Covers, and Footrests category.

Practical Service Tips and Additional Materials

When replacing the accelerator pedal, it is recommended to ensure it is correctly seated at the mounting point and that the electrical harness is securely connected. After installation, a test drive is advisable to verify smooth throttle response and the absence of error messages in the vehicle's diagnostic system.

If you are interested in broader topics related to engine durability and want to better understand how individual components affect operating costs, the following guide article may be helpful: BMW E90 Engine Failures – A Practical Guide to Problematic Units. Although it concerns a different brand, it effectively illustrates the importance of using correctly selected components in modern vehicles.