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Porsche > 964 (911) (1989-1994) > 964 (911) TURBO 3.3L 1991-93 > Suspension & Axle >

Ball Joints

Ball Joints

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DISPLAYING 1 to 5 (of 5 products)
Suspension wishbone control arm & ball joints kit front. Porsche 964 1989-94 (NEW) Part No. 96434101807 / 96434101707 - 96434101806, 96434101706, 96434101807, 96434101707, 96434104903, 96434104907, 96434104913
1
Suspension wishbone control arm & ball joints kit front. Porsche 964 1989-94 (NEW) Part No. 96434101807 / 96434101707
SUSPENSIONKIT964
Product Information
Product Information

Front Suspension Wear and Replacement
On the Porsche 964, 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.


oematch

Fits:
  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93


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 964, 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.

SUSPENSIONKIT964
96434101806
96434101706
96434101807
96434101707
96434104903
96434104907
96434104913

The product you are viewing cross references to these numbers
Knurled bolt lower wishbone ball joint. Porsche 964 - 96434146502, 96434146503
2
Knurled bolt lower wishbone ball joint. Porsche 964
Special Order item
96434146503
Product Information
Product Information
Knurled bolt lower wishbone ball joint. 
Sold each - 2 required per car

Fits:
Porsche 964 - 1989 to 1994

Knurled press fit bolt to secure lower ball joint to suspension wishbone


Diagram ref no 17



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Related, superseded, cross reference or alternative numbers for comparison.

96434146503
96434146502
96434146503

The product you are viewing cross references to these numbers
Wishbone ball joint, Front. Porsche 964 1990-94 - 96434104903, 96434104907, 96434104913, 96434104913/1, 96434104913/2 - URO-010786, PR03014P
1
Wishbone ball joint, Front. Porsche 964 1990-94
Special Order item
96434104913
Product Information
Product Information
Wishbone ball joint, Front.
Fits - left or right

Fits:
Porsche 964 1990-94

Price is for each.

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Related, superseded, cross reference or alternative numbers for comparison.

96434104913
96434104903
96434104907
96434104913
96434104913
96434104913

The product you are viewing cross references to these numbers
Wishbone ball joint, Front. Porsche 964 1990-94 - 96434104903, 96434104907, 96434104913 - URO-010786, PR03014P
1
Wishbone ball joint, Front. Porsche 964 1990-94
96434104913/1
Product Information
Product Information

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
96434104903
96434104907
96434104913

The product you are viewing cross references to these numbers
Wishbone ball joint, Front. Porsche 964 1990-94 - 96434104903, 96434104907, 96434104913, 96434104913/1, 96434104913/2 - URO-010786, PR03014P
1
Wishbone ball joint, Front. Porsche 964 1990-94
96434104913/2
Product Information
Product Information
Wishbone ball joint, Front. Porsche 964 1990-94
Fits - left or right
High-quality replacement front lower ball joint designed specifically for the Porsche 964 (1989-1994). It connects the lower control arm to the steering knuckle, allowing controlled pivot motion while maintaining alignment and stability. This ball joint is a stock-replacement unit, built to match or exceed the original Porsche specification. Prekom manufactures this component in Europe, overseeing each step of production to ensure consistent quality.  It already includes the required lock nut for simple installation.

Fits:
Porsche 964 1990-94

Price is for each.

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

96434104913
96434104903
96434104907
96434104913
96434104913
96434104913

The product you are viewing cross references to these numbers
DISPLAYING 1 to 5 (of 5 products)
Also found on these pages
About Ball Joints

Porsche Ball Joints | Design911 Suspension & Steering Components for Precision Handling

Ball joints are crucial pivot points in your Porsche’s suspension system, connecting the control arms to the steering knuckles and allowing smooth, controlled movement of the suspension while steering and driving over uneven surfaces. These components ensure stability, steering precision, and consistent wheel alignment — key for the responsive handling and dynamic balance that define Porsche performance.

At Design911, we supply a comprehensive selection of ball joints and suspension fittings, engineered for strength, accuracy, and long service life. Each component is built from high-grade materials to handle high loads, resist corrosion, and provide consistent performance under pressure. Perfect for routine servicing, suspension restoration, or performance upgrades, our ball joints restore steering precision and ensure your Porsche maintains its legendary road feel.

What Do Ball Joints Do?

Ball joints act as flexible connection points between your Porsche’s control arms and steering knuckles, allowing vertical and rotational movement while maintaining secure wheel alignment.

Core Functions:
• Allow smooth suspension movement and steering rotation.
• Maintain precise wheel alignment for predictable handling.
• Support vehicle weight while absorbing road impact.
• Enable suspension articulation for cornering and braking stability.
• Reduce vibration and improve ride comfort.

Ball joints are essential to maintaining both steering accuracy and suspension balance — ensuring your Porsche feels composed and connected at every speed.

Why Do Ball Joints Fail or Degrade?

Ball joints experience continuous motion, load, and exposure to harsh road conditions, leading to gradual wear or failure over time.

Common Causes of Failure Include:
• Wear of internal bearing surfaces from friction and movement.
• Corrosion or contamination inside the joint housing.
• Cracked or torn dust boots allowing dirt and moisture ingress.
• Excessive load from aggressive driving or poor road surfaces.
• Age-related material fatigue or lubrication loss.

When ball joints fail, symptoms can include clunking noises, uneven tyre wear, vague steering response, and excessive suspension play — all signs that replacement is necessary for safety and performance.

Why Replace or Upgrade Your Porsche Ball Joints?

Replacing worn or damaged ball joints restores handling precision, alignment stability, and steering feedback. Upgraded materials and performance-grade designs also enhance durability and road feel.

Key Benefits:
• Restores precise steering and handling performance.
• Eliminates suspension noise and vibration.
• Improves tyre wear and road stability.
• Available for Porsche 911, 944, 968, Boxster, Cayman, Panamera, and Cayenne models.
• Made from corrosion-resistant, high-strength materials.
• Ideal for servicing, restoration, or performance tuning.

Design911’s Porsche ball joints deliver exceptional reliability and performance, ensuring your suspension system performs at its peak — whether on the road or the track.

Highlights

• Premium Porsche ball joints and suspension components.
• Precision-engineered for strength and alignment accuracy.
• Designed to reduce vibration and enhance control.
• Corrosion-resistant construction for long service life.
• Fits both classic and modern Porsche models.
• Perfect for suspension servicing, upgrades, or restoration.

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