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Porsche specialists based in the UK
Porsche > 924 (1977-1988) > 924 2.0L 1976-79 > Suspension & Axle >

Ball Joints

Ball Joints

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DISPLAYING 1 to 6 (of 6 products)
Front lower suspension arm kit. Porsche 924 1979>> Onwards - 171407182D, 477407153F, 477407181B
5
Front lower suspension arm kit. Porsche 924 1979>> Onwards
477407153F/1KIT.2
Product Information
Product Information
Front lower suspension arm kit. Porsche 924 1979>> Onwards


Kit includes
Lower arm x 2

Front arm bush x 2
Rear arm bush x 2

Fits:
Porsche 924  1979>> Onwards

Click 'zoom in' for large parts diagram.
Diagram Ref No 2, 7 and 11



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Related, superseded, cross reference or alternative numbers for comparison.

477407153F
171407182D
477407153F
477407181B

The product you are viewing cross references to these numbers
Front lower suspension arm kit. Porsche 924 Up to >>1978 - 171407182D, PCG407181A, 477407153F
5
Front lower suspension arm kit. Porsche 924 Up to >>1978
477407153F/1KIT.1
Product Information
Product Information
Front lower suspension arm kit. Porsche 924 Up to 1978

Kit includes
Lower arm x 2

Front arm bush x 2
Rear arm bush x 2

Fits:
Porsche 924 >> Up to 1978

Click 'zoom in' for large parts diagram.
Diagram Ref No 2, 7 and 11



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Related, superseded, cross reference or alternative numbers for comparison.

477407153F
171407182D
PCG407181A
477407153F

The product you are viewing cross references to these numbers
Wishbone Ball Joint Front. Porsche 924 >>77 - 171407365C - 1140301500
2
Wishbone Ball Joint Front. Porsche 924 >>77
171407365C/1
Product Information
Product Information

Wishbone Bottom Ball Joint - fits Left and Right Hand Side
Sold each - 2 required per car

Restore precise steering response, suspension control and driving safety with this OE Match Wishbone Bottom Ball Joint for Porsche 924 models produced between 1976 and 1977. Manufactured to OE specifications, this critical suspension component connects the lower wishbone to the steering knuckle, allowing controlled movement of the suspension while maintaining accurate wheel alignment.

Fits:

  • Porsche 924 2.0L 1976-79     

Diagram ref no 17  

The bottom ball joint is one of the most important wear components within the front suspension system. It enables the suspension and steering to work together while supporting significant loads during acceleration, braking and cornering. As the joint wears, steering precision and vehicle stability can deteriorate, making replacement essential for maintaining the handling characteristics Porsche originally engineered into the 924.

This OE Match replacement delivers the correct fitment, durability and performance required for maintenance, suspension refurbishment and restoration projects.

What Does the Wishbone Bottom Ball Joint Do?

The bottom ball joint forms a pivot point between the suspension arm and wheel carrier.

Its primary functions include:

  • Allowing suspension movement
  • Supporting steering articulation
  • Maintaining wheel alignment geometry
  • Supporting vehicle weight
  • Assisting precise steering response
  • Controlling wheel movement
  • Helping maintain handling stability

Without a properly functioning ball joint, suspension and steering performance can be significantly compromised.

Why Do Ball Joints Fail?

Ball joints are subjected to constant movement and heavy loads throughout their service life.

Common causes of failure include:

  • Normal wear and tear
  • Grease deterioration
  • Rubber boot damage
  • Water ingress
  • Dirt contamination
  • Corrosion
  • High mileage operation
  • Poor road conditions

Once contaminants enter the joint, internal wear can accelerate rapidly.

Symptoms of a Worn Bottom Ball Joint

Common warning signs include:

  • Clunking noises from the suspension
  • Steering looseness
  • Uneven tyre wear
  • Vibration through the steering wheel
  • Poor handling stability
  • Wandering at speed
  • Excessive suspension play
  • MOT or inspection failure

As wear increases, vehicle safety and handling performance can be significantly affected.

When Should the Ball Joint Be Replaced?

Replacement is recommended when:

  • Excessive play is detected
  • Suspension noises develop
  • The protective boot is damaged
  • Steering precision deteriorates
  • Carrying out suspension refurbishment
  • Restoring a Porsche 924
  • Replacing wishbone components
  • Completing preventative maintenance

Many specialists replace ball joints in pairs to ensure balanced suspension performance.

Why Replacement Matters

Replacing worn suspension joints helps restore the driving characteristics Porsche intended.

Benefits include:

  • Improved steering precision
  • Enhanced vehicle stability
  • Better suspension control
  • Reduced tyre wear
  • Improved safety
  • Smoother ride quality
  • Factory-correct handling
  • Long-term reliability

For classic Porsche 924 models, maintaining suspension integrity is essential for both driving enjoyment and safety.




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

171407365C
171407365C

The product you are viewing cross references to these numbers
Wishbone ball joint, Front Porsche 924 / 944 - 171407365G - JBJ235
1
Wishbone ball joint, Front Porsche 924 / 944
171407365G/2
Product Information
Product Information
Wishbone ball joint, Front

trw

Fits:
Porsche 924 1978-85
Porsche 924 turbo 1979-84
Porsche 924 S 1986-88
Porsche 944 1982-85

Price is for each.

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

171407365G
171407365G

The product you are viewing cross references to these numbers
Wishbone ball joint, Front. Porsche 924 / 944 - 171407365G
2
Wishbone ball joint, Front. Porsche 924 / 944
Special Order item
171407365G
Product Information
Product Information
Wishbone ball joint, Front. 17mm.

porsche

Fits:
Porsche 924 (1976 - 1985)
Porsche 924 S (1986 - 1988)
Porsche 924 Turbo (1979 - 1982)
Porsche 944 (1982 - 1985)

Price is for each.

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

171407365G
171407365G

The product you are viewing cross references to these numbers
Wishbone ball joint, Front. Porsche 924 / 944 - 171407365G, 171 407 365F - 1140301600, URO-14547, SA.004.008
2
Wishbone ball joint, Front. Porsche 924 / 944
171407365G/1
Product Information
Product Information
Wishbone ball joint, Front

Fits:
Porsche 924 1978 - 1985
Porsche 924 turbo 1979 - 1984
Porsche 924 S 1986 - 1988
Porsche 944 1982 - 1985

Price is for each.

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

171407365G
171407365G
171 407 365F

The product you are viewing cross references to these numbers
DISPLAYING 1 to 6 (of 6 products)
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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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