Ford Focus Mk3 Suspension Knuckle Arm Rear Left N/S 1780077

Ford Focus Mk3 Suspension Knuckle Arm Rear Left N/S is an original suspension component from the Bearings, wheel hubs and bushings group, designed for operation on the rear axle on the driver's side. Designed by the vehicle manufacturer, it ensures proper suspension geometry, stable vehicle handling, and predictable road behavior.

Specifications and technical data

• SKU: 1780077
• Mark: Ford
• Condition: Used
• OEM Part Number: 1780077
• Substitutable numbers: 1780077, BV61-5A969-CC, BV615A969CC
• Location on the vehicle: Rear, Left
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension

The rear axle suspension knuckle arm is responsible for the precise positioning of the wheel hub relative to the body, transferring loads from the road surface, and maintaining specified camber and toe angles. The component mounted on the rear left side works with other suspension components, influencing:

• vehicle stability during straight-line driving and cornering,
• even tire wear,
• braking system efficiency,
• ride comfort and shock absorption.

Thanks to the factory design dedicated to the Ford Focus Mk3, the proper stiffness and geometry are maintained, which facilitates subsequent wheel alignment after installation.

Construction and technical compatibility

The presented rear left suspension knuckle arm is a structural element to which wheel-area components are attached, such as the hub, bearing, or shock absorber and spring mounting points (depending on the specific suspension configuration). The placement of mounting points is consistent with the Ford factory standard, which allows for:

• seamless fitment to the body and other suspension components,
• preservation of original bushing and bolt mounting points,
• installation without the need for structural modifications.

The vehicle placement defined as rear – left side eliminates the risk of error when selecting parts and facilitates service work.

Condition, origin, and advantages of using a used part

The item comes from the Ford range and is classified as used, which means it has been previously operated but retains functionality allowing for further use after proper installation. Choosing an original second-hand component is a solution that often ensures a better fit than many aftermarket replacements, while simultaneously reducing repair costs.

If you want to better understand the specifics of the second-hand parts market, quality differences, and common myths associated with such a choice, it is worth reading the article Used car parts: Myths and facts you need to know, which practically discusses the most important issues related to purchasing used components.

Practical installation and maintenance tips

When replacing the rear left suspension knuckle arm in a Ford Focus Mk3, it is recommended to perform several key service steps:

• checking the condition of mating bushings, bearings, and the wheel hub,
• using appropriate tightening torques in accordance with service documentation,
• checking the condition of mounting surfaces and threads,
• performing wheel alignment after completing the installation.

Such an approach allows you to fully utilize the potential of the part and reduce the risk of premature tire wear or deterioration of vehicle handling.

Expansion and modernization of the Ford suspension system

If you are planning a comprehensive repair or modernization of the suspension area in your Ford and need other elements from the same group, such as additional hubs, bearings, or metal-rubber bushings, check the available parts in the Ford Bearings, wheel hubs and bushings category.