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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Front Lower Wishbone Ball Joint – fits Left or Right hand Side
Sold each - 2 required per car
Restore the precise steering response and confident handling
your Porsche was engineered to deliver with this OE Match Front Lower
Wishbone Ball Joint. Manufactured to OE
specifications, this premium replacement component provides accurate fitment,
exceptional durability and smooth articulation, making it an ideal solution for
suspension restoration, preventative maintenance or repairing worn front suspension
components.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
The lower ball joint is a critical pivot point within the front suspension system, connecting the lower wishbone to the wheel carrier while allowing controlled steering and suspension movement. It is subjected to constant loads from braking, cornering, acceleration and uneven road surfaces, making it one of the hardest-working components in the suspension.
As wear develops over time, steering precision and suspension geometry can deteriorate, resulting in poor handling, tyre wear and unwanted suspension noise. Replacing the lower ball joint restores the integrity of the suspension system and helps maintain the driving characteristics expected from a Porsche.
What Does the Lower Wishbone Ball Joint Do?
The lower wishbone ball joint allows the steering and suspension to move together while maintaining accurate wheel control.
Its primary functions include:
- Connecting the lower wishbone to the wheel carrier.
- Allowing smooth steering articulation.
- Supporting suspension movement.
- Maintaining correct wheel geometry.
- Carrying vertical and lateral suspension loads.
- Helping absorb road shocks.
- Contributing to stable braking and cornering performance.
A correctly functioning ball joint is essential for accurate steering, predictable handling and safe suspension operation.
Why Replace the Lower Ball Joint?
Ball joints are wear items that are continually subjected to movement and high mechanical loads.
Common reasons for replacement include:
- Internal bearing wear.
- Split or damaged dust boots.
- Grease contamination.
- Moisture ingress causing corrosion.
- Excessive suspension movement.
- High vehicle mileage.
- Age-related deterioration.
- Damage caused by potholes or kerb impacts.
Replacing worn ball joints restores suspension performance while preventing unnecessary wear to surrounding steering and suspension components.
Symptoms of a Worn Ball Joint
Common warning signs include:
- Knocking or clunking noises from the front suspension.
- Excessive steering play.
- Wandering at speed.
- Uneven tyre wear.
- Vibration through the steering wheel.
- Poor wheel alignment.
- Squeaking during suspension movement.
- Excessive movement detected during inspection.
Ignoring worn ball joints can affect handling, braking stability and overall driving safety.
Benefits
- Restores steering precision.
- Improves suspension stability.
- Maintains correct suspension geometry.
- Reduces suspension noise.
- Helps minimise uneven tyre wear.
- Enhances braking and cornering confidence.
- Long-lasting durability.
- Excellent value alternative to original equipment.
Installation Recommendations
When replacing the lower ball joint, it is recommended to
inspect associated suspension and steering components, 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.
Once installation is complete, a professional four-wheel alignment should be carried out to restore the correct suspension geometry and maximise tyre life, handling performance and steering accuracy.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434104913
The product you are viewing cross references to these numbers
- 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
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
- Porsche 964 (911) TURBO 3.6L 1991-93
- 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
Front Suspension Wear and Replacement
On the Porsche 993, common failure points in the front suspension include the control arm bushings and ball joints. As these components wear, you may notice clunking over bumps, loose or vague steering, uneven tire wear, or steering wheel vibration. Because the front suspension system is highly interconnected, wear in one part often accelerates the deterioration of other components.
To address this, we’ve developed a complete wishbone control arm & ball joints kit designed to restore handling, performance, and safety. This kit includes new front control arms and ball joints, ensuring a comprehensive solution rather than piecemeal repairs.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 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
Why Control Arms Matter
Control arms serve as a critical link between the suspension and the subframe. Their hinged design allows the suspension to articulate as the vehicle absorbs bumps or navigates turns. On vehicles with independent suspension, like the 993, multiple arms and connection points contribute to better ride comfort and stability.
As bushings and joints within a control arm wear out, the suspension can begin to feel loose or unstable. While some designs allow individual components to be serviced, many control arms require complete replacement to restore proper function.
Symptoms of Control Arm Failure
Signs that your control arms may need replacement include:
- Excessive play where the arms connect to the subframe or knuckle
- Clunking or knocking noises from the suspension
- Uneven tire wear
- Difficulty achieving proper wheel alignment
- Steering wheel vibration at highway speeds
- Wandering or pulling sensation through the steering wheel
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SUSPENSIONKIT993.2
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 964 (911) TURBO 3.6L 1991-93
- 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
Front Suspension Wear and Replacement
On the Porsche 993, common failure points in the front suspension include the
control arms, ball joints, tie rods and bellows. As these components wear, you may notice clunking over bumps, loose or vague steering, uneven tire wear, or steering wheel vibration. Because the front suspension system is highly interconnected, wear in one part often accelerates the deterioration of other components.
To address this, we’ve developed a complete wishbone arms, ball joints & tie rods designed to restore handling, performance, and safety. This kit includes new front control arms, ball joints, tie rods and bellows ensuring a comprehensive solution rather than piecemeal repairs.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 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
Why Control Arms Matter
Control arms serve as a critical link between the suspension and the subframe. Their hinged design allows the suspension to articulate as the vehicle absorbs bumps or navigates turns. On vehicles with independent suspension, like the 993, multiple arms and connection points contribute to better ride comfort and stability.
As bushings and joints within a control arm wear out, the suspension can begin to feel loose or unstable. While some designs allow individual components to be serviced, many control arms require complete replacement to restore proper function.
Symptoms of Control Arm Failure
Signs that your control arms may need replacement include:
- Excessive play where the arms connect to the subframe or knuckle
- Clunking or knocking noises from the suspension
- Uneven tire wear
- Difficulty achieving proper wheel alignment
- Steering wheel vibration at highway speeds
- Wandering or pulling sensation through the steering wheel
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SUSPENSIONKIT993.3
The product you are viewing cross references to these numbers
This kit is comprised of the following items: