Range Rover L405 Front Upper Wishbone Control Arm Left N/S CPLA-3091-AA

Range Rover L405 Front Upper Wishbone Control Arm Left N/S is a component from the Wishbones and ball joints category, designed for operation in the front suspension on the driver's side. It is responsible for precise wheel guidance, driving stability, and correct geometry, which translates into safe and predictable vehicle handling. Using an OEM component is a sensible choice for professional suspension repairs in a Range Rover when you want to maintain factory handling characteristics.

Specifications and technical data

• SKU: CPLA-3091-AA
• Mark: Range Rover
• Condition: Used
• OEM Part Number: CPLA-3091-AA
• Substitutable numbers: LR034214, LR148193, JPLA3091DD, JPLA-3091-DD, CPLA3091AE, CPLA-3091-AE, CPLA-3091-AA, CPLA3091AA
• Location on the vehicle: Front, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The front upper wishbone left in the Range Rover L405 operates at a critical point of the suspension system, connecting the steering knuckle to the body and working with other suspension arm components. Its task is to:

• maintain a stable wheel position relative to the body during straight-line driving and cornering,
• control camber and toe angles,
• dampen vibrations transmitted from the road to the chassis,
• ensure smooth operation of ball joints and metal-rubber bushings.

Thanks to a properly selected upper wishbone left, the suspension system maintains factory performance parameters, which is important for both comfort and the effectiveness of safety systems.

Compatibility and replacement numbers

The offered wishbone is an OEM part dedicated to the Range Rover, with an assigned OEM part number and a set of interchangeable numbers, which facilitates clear identification in service catalogs and parts selection software. The presence of multiple reference numbers allows for the safe replacement of various factory variants with one compatible element, provided it complies with the vehicle's technical documentation.

The placement on the vehicle, specified as front, left side, minimizes the risk of errors during ordering and installation – this is particularly important in premium class vehicles, where suspension geometry is precisely tuned.

Benefits of using an original wishbone

Using an original upper wishbone in the Range Rover L405 ensures:

• preservation of factory handling characteristics – the vehicle reacts to steering inputs in a predictable and consistent manner as intended by the manufacturer,
• proper cooperation with other suspension and steering system components,
• appropriate arm stiffness and flexibility, matched to the weight and purpose of the vehicle,
• the ability to correctly set the geometry after replacement, without the need for compromise solutions.

By choosing a used OEM element, you receive a part with a design consistent with the factory specifications, which is especially important in heavy, luxury SUVs where the suspension operates under high loads.

Placement on the vehicle and installation aspects

The wishbone is intended for installation in the front suspension on the left side of the vehicle. This designation of placement on the vehicle allows the mechanic to quickly assign the element to the correct mounting point and avoid swapping sides, which could result in improper suspension operation.

When replacing, it is recommended to:

• check the condition of other wishbones and ball joints on the front axle,
• replace mounting hardware if required by service documentation,
• perform a mandatory wheel alignment after completing the work.

Such maintenance allows you to fully utilize the potential of the newly installed wishbone and reduce uneven tire wear.

Suspension service expansion and educational materials

If you are planning a comprehensive repair or upgrade of the suspension area in your Range Rover and need other elements from the same group, such as additional wishbones, ball joints, or mounting hardware, check the available parts in the Range Rover Wishbones and ball joints category.

To better understand the relationships between shock absorbers, wishbones, and stabilizers, and to consciously plan suspension service, it is worth reading the guide: Suspension system – a comprehensive guide to shock absorbers, wishbones, and stabilizers. This will help you better assess when replacing a single wishbone is sufficient and when it is worth considering a wider range of service work.