Front lower suspension arm kit. Porsche 924 1979>> Onwards  ❭  477407153F

Wishbone ball joint, Front.
Fits - left or right.



Fits:
Porsche 993 1994-97

Price is for each.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99334104907

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Front Lower Wishbone Ball Joint – fits Left or Right Hand Side
Sold each – 2 required per car

Restore the sharp steering response and outstanding handling characteristics of your Porsche with this Front Lower Wishbone Ball Joint. Manufactured to OE specifications, this premium replacement component is engineered to provide precise fitment, exceptional durability and smooth articulation, ensuring your suspension performs exactly as intended.

Fits:

• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97

The lower wishbone ball joint forms one of the most important pivot points in the front suspension system, allowing the steering knuckle to move freely while maintaining accurate wheel alignment and suspension geometry. Constantly subjected to heavy loads from braking, cornering and uneven road surfaces, it is a critical wear component that directly affects vehicle stability, steering accuracy and tyre wear.

Replacing a worn or damaged lower ball joint restores predictable handling, reduces unwanted suspension movement and helps maintain the responsive driving experience Porsche is renowned for.

What Does the Lower Wishbone Ball Joint Do?

The lower wishbone ball joint provides a flexible yet secure connection between the lower control arm and the wheel carrier.

Its primary functions include:

• Connecting the lower wishbone to the steering knuckle.
• Allowing controlled steering articulation.
• Supporting full suspension movement.
• Maintaining accurate wheel geometry.
• Carrying vertical and lateral suspension loads.
• Helping absorb road impacts.
• Providing stable handling during acceleration, braking and cornering.

A correctly functioning ball joint is essential for precise steering feedback and consistent suspension performance.

Why Replace the Lower Ball Joint?

Lower ball joints experience continual movement and high mechanical loads throughout their service life.

Common reasons for replacement include:

• Wear of the internal bearing surfaces.
• Split or deteriorated protective dust boots.
• Loss of lubrication.
• Corrosion caused by water ingress.
• Damage from potholes or kerb impacts.
• High mileage. Age-related deterioration.
• Excessive suspension play.

Replacing worn ball joints restores suspension integrity and helps prevent additional wear to surrounding steering and suspension components.

Symptoms of a Worn Lower Ball Joint

Common warning signs include:

• Knocking or clunking from the front suspension.
• Excessive steering play.
• Wandering or unstable steering.
• Uneven tyre wear.
• Steering wheel vibration.
• Poor wheel alignment.
• Squeaking during suspension movement.
• Excessive movement identified during inspection.

Prompt replacement helps maintain safe handling and prevents further suspension damage.

Benefits

• Restores steering precision.
• Improves suspension stability.
• Maintains correct wheel geometry.
• Reduces suspension noise.
• Minimises uneven tyre wear.
• Enhances braking and cornering confidence.
• Long service life.
• Excellent value alternative to original equipment.

Installation Recommendations

For the best results, inspect related suspension and steering components during installation, including:

• Lower wishbones.
• Suspension bushes.
• Track rod ends.
• Steering rack components.        
• Shock absorbers and top mounts.
• Anti-roll bar links and bushes.
• Wheel bearings.
• Suspension mounting hardware.

After installation, a professional four-wheel alignment is recommended to restore factory suspension geometry, optimise tyre wear and maximise handling performance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99334104907

The product you are viewing cross references to these numbers

Wishbone ball joint, Front.
Fits - left or right.

Fits:
Porsche 993 1994-97

Price is for each.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99334104907

The product you are viewing cross references to these numbers