Land Rover Discovery 4 L319 Lower Wishbone Control Arm Front Right O/S LR073367

The Land Rover Discovery 4 L319 Front Right Lower Suspension Arm is an original part from the Control Arms and Ball Joints group, designed for the front axle, either on the driver's or passenger's side depending on the market. Designed by the vehicle manufacturer, it ensures proper suspension geometry, stable vehicle handling, and predictable body behavior during braking and over uneven surfaces.

Specifications and technical data

• SKU: LR073367
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR073367
• Substitutable numbers: AH223A052AF, AH22-3A052-AF, LR073367
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Function in the Suspension System

The lower front control arm is responsible for precise wheel guidance in the horizontal and vertical planes, maintaining set camber and caster angles. In the Land Rover Discovery 4 L319, this component operates under demanding conditions – with the vehicle's high mass, variable loads, and frequent off-road use, its proper condition directly impacts:

• driving stability at higher speeds,
• even tire wear,
• braking system effectiveness,
• comfort in damping unevenness.

Its placement on the front right side of the suspension means this component particularly experiences significant loads during maneuvers, mounting curbs, or driving on unpaved roads.

Benefits of Using an Original Control Arm

Using an original control arm dedicated to the Discovery 4 L319 allows for the preservation of the vehicle's factory handling parameters. The design selected by the manufacturer ensures:

• proper fit with other suspension components without the need for modifications,
• adequate arm stiffness while maintaining the required flexibility of the bushings,
• compatibility with factory mounting points in the body and steering knuckle.

This allows for precise alignment of the toe and other geometry parameters after replacement, translating to predictable vehicle behavior both on asphalt and in light off-road conditions.

Characteristics of a Used Part

The offered control arm is a used part, presenting an attractive solution for users seeking original components at a more favorable price than new replacements. This type of component is particularly interesting for routine repairs where preserving the factory suspension design and reducing service costs are priorities.

Before installation, the standard workshop procedure is recommended: checking for play in the ball joint and bushings, inspecting mounting points, and subsequently setting wheel alignment after the work is completed.

Professional Installation and Practical Application

The front right control arm in the Discovery 4 L319 operates within a multi-link suspension system, so its replacement should be performed following manufacturer procedures. In practice, this means:

• tightening mounting bolts with the suspension loaded,
• checking cooperating components from the Control Arms and Ball Joints group,
• inspecting tire and shock absorber condition after the repair.

Service performed in this manner allows for full utilization of the Land Rover suspension's design potential, improving driving confidence and comfort in daily use.

If you are planning a comprehensive repair or upgrade of the front suspension area on your Land Rover and need other parts from the same group, such as additional control arms, ball joints, or tie rod ends, check the available parts in the Land Rover Control Arms and Ball Joints category.

Technical Support and Parts Selection

To better understand the role of control arms in the entire drivetrain system and the symptoms of their wear, it is worth consulting specialized technical materials. Practical tips for diagnosing and operating suspension components can be found in the article “Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers”, which discusses the relationships between individual components and helps in consciously planning repairs.