Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Ball Joints
By OE Match
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
This groove nut is used to secure the front lower wishbone (A-arm) ball joint on classic Porsche suspension systems. Manufactured to the exact dimensions and thread specifications of the original Porsche part, it provides reliable clamping strength and precise seating of the ball joint within the control arm.
SET OF 2, each vehicle requires two for a complete front axle set.
Fits:
Porsche 911 1969 - 1989
Porsche 914 1972 - 1976
Diagram ref no 17
This groove nut locks the ball joint securely into the front wishbone, maintaining correct alignment and preventing movement under cornering loads and braking forces. Its machined groove design allows for proper engagement with a locking ring or pin, ensuring long-term stability and safety.
With age, the original groove nut may corrode, lose thread integrity, or deform during removal. Using a worn or non-spec nut can lead to incorrect torque, potential loosening, or suspension play.
Replace when:
• Replacing the front ball joints or wishbone assemblies
• The threads are damaged, corroded, or rounded
• Performing a front suspension rebuild or alignment correction
Installing a fresh groove nut ensures proper torque retention, precise alignment, and dependable suspension performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134142501
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits - Left and right.

Fits:
Porsche 911 1969-89
Porsche 914 1972-76
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BALLJKIT911
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Designed for the front wishbone (control arm) ball joint. Engineered to original Porsche specifications, this nut ensures safe, reliable fastening of the lower ball joint to the suspension arm on Porsche 911 and 914 models.
Sold each. Fits left and right.
Fits:
Porsche 911 1969 - 1989
Porsche 914 1972 - 1976
Diagram ref no 22
The cotter pin nut fastens the lower ball joint to the front suspension arm and secures it with a locking cotter pin through the castle slots. This prevents the nut from rotating loose, maintaining safe steering and suspension geometry during operation.
Over time, nuts can wear, corrode, or lose torque retention due to repeated assembly, age, or exposure to moisture and road debris. A weakened or reused nut may compromise the ball joint’s security, leading to excessive play or unsafe suspension movement.
When to Replace:
• During front suspension rebuilds or ball joint replacement.
• If the original nut is rusted, damaged, or has distorted threads.
• Whenever the cotter pin is replaced, ensuring proper torque and locking function.
Replacing a new cotter pin nut restores factory-level safety, alignment integrity, and reliability in your classic Porsche’s suspension system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90008400402
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Incl. ball joint, hub nut, lock plate, split pin.
Providing 3mm additional negative camber.
Price is Each
Fits:
Porsche 911 1972-89
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91134104905
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
The OE Match De-Cambered Ball Joint for A-Arm, Ø18 is a premium-quality suspension upgrade component designed for compatible Porsche models requiring increased suspension geometry adjustment for performance or motorsport applications. Manufactured to OE specifications for fit, strength and durability, this Ø18mm de-cambered ball joint is engineered to provide additional negative camber, improving tyre contact, steering precision and front-end grip during demanding driving conditions.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Manufactured from high-strength forged steel with a precision-machined ball pin and heavy-duty sealed bearing assembly, the ball joint is engineered to withstand high cornering loads, braking forces and continual suspension movement. Designed for direct installation into compatible A-arms, it provides a robust and reliable solution for vehicles used on the road, track or in competition.
What This Product Does:
- Connects the front A-arm to the steering knuckle.
- Provides additional negative camber for improved suspension geometry.
- Improves front-end grip during cornering.
- Enhances steering precision and responsiveness.
- Maintains smooth suspension articulation.
- Supports improved handling in performance applications.
- Provides factory-style fitment for compatible upgraded suspension systems.
- Forms an essential part of the front suspension assembly.
Symptoms Of Wear Or Failure:
- Knocking or clunking noises from the front suspension.
- Excessive steering play.
- Uneven or accelerated tyre wear.
- Reduced steering precision.
- Vehicle wandering or instability.
- Vibration through the steering wheel.
- Excessive movement in the suspension joint.
- Split or damaged protective dust boot.
- Grease leakage from the ball joint.
- MOT or vehicle inspection failure due to excessive suspension play.
Why Replacement Matters:
- The ball joint is a critical suspension component that allows the steering knuckle and control arm to move freely while supporting the vehicle's weight. It is continually subjected to heavy braking, cornering forces, road impacts and suspension movement. Over time, internal wear, contamination or deterioration of the protective dust boot can lead to excessive play and reduced suspension accuracy.
- A worn ball joint can negatively affect steering response, wheel alignment and tyre wear while increasing the risk of suspension instability. In performance applications, worn components can significantly reduce handling precision and driver confidence.
- Replacing a worn or damaged ball joint with the OE Match De-Cambered Ball Joint restores accurate suspension geometry and improves front-end handling for compatible performance suspension setups. Manufactured from premium forged materials with precision-engineered internal components, it provides factory-style fitment, exceptional durability and the increased camber required for enhanced road holding and motorsport performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134104704
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Ball joint lock pin is an suspension fastener designed to secure the front lower ball joint to the strut or wishbone assembly on classic Porsche models. It installs into the ball joint mount to secure the connection between suspension links and steering knuckles. It’s suitable for maintenance, rebuilds, or restoration of front suspension components and fits directly without modification.
Sold each, Fits left and right.
Fits:
Porsche 911 1969 - 1989
Porsche 914 1972 - 1976
Diagram ref no 20
The lock pin provides a secure fastening point that holds the front lower ball joint in place, ensuring the suspension components remain correctly aligned under load and motion. It helps transmit steering forces while keeping the joint assembly stable during driving.
Installed through the ball joint and suspension link interface, this pin maintains clamping and positional integrity, aiding the suspension’s ability to articulate smoothly while resisting unwanted movement. It works in conjunction with the control arm and steering knuckle to support safe, responsive handling.
Front suspension hardware like the ball joint lock pin can wear, corrode, or lose clamping strength over time, which may lead to play in the suspension, uneven tyre wear, and compromised steering feel. Replacing worn or damaged pins with OE Match parts helps maintain precise suspension geometry and consistent handling characteristics.
When to replace:
• Ball joint pin is corroded, bent, or worn
• Loose or sloppy front suspension feel
• During ball joint, control arm, or strut service
• Restoration of classic suspension systems
• After removal or disassembly of front suspension
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91134111907
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
The OE Match Front Wishbone Ball Joint Lock Plate is a high-quality replacement retaining component designed to securely lock and retain the front wishbone ball joint assembly in its correct position. Although small in size, this precision-engineered locking plate plays a critical role in maintaining the integrity and safety of the front suspension system.
Sold Each.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Manufactured to OE specifications for fit, strength and durability, the lock plate is designed to prevent movement or loosening of the ball joint retaining hardware under the constant loads and vibrations experienced during vehicle operation. It is an essential component when replacing suspension parts, carrying out front-end repairs or restoring factory-correct assembly.
What This Product Does:
- Secures and locks the front wishbone ball joint retaining hardware.
- Prevents loosening caused by vibration and suspension movement.
- Maintains correct ball joint positioning within the suspension assembly.
- Supports proper suspension geometry and alignment.
- Helps ensure safe operation of the steering and suspension systems.
- Contributes to the long-term reliability of front suspension components.
Symptoms Of Wear Or Failure:
- Loose ball joint retaining hardware.
- Unwanted movement within the suspension assembly.
- Knocking or clunking noises from the front suspension.
- Difficulty maintaining correct wheel alignment.
- Increased wear on ball joints and suspension components.
- Visible corrosion, bending or damage to the lock plate.
- Reduced security of suspension fasteners.
- Potential suspension safety concerns if retaining hardware loosens.
Why Replacement Matters:
- Lock plates are designed to provide a secondary level of security for critical suspension fasteners. Over time, corrosion, fatigue, improper installation or damage during servicing can reduce their effectiveness. Reusing worn or distorted locking components may compromise their ability to properly secure suspension hardware.
- A damaged or missing lock plate can allow retaining fasteners to gradually loosen, increasing the risk of suspension component movement and accelerated wear. In severe cases, insufficient retention of critical steering and suspension parts can affect vehicle handling and safety.
- Replacing worn or damaged lock plates helps maintain correct suspension assembly integrity, ensures secure fastening of ball joint components and supports safe, predictable vehicle handling. An OE Match replacement restores factory-style fitment and provides dependable long-term security for the front suspension system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134142600
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
This high quality socket is exactly what you need to remove, install and torque ball joint lock nuts on your classic Porsche.
Fits:
Porsche 911 1969 - 1989
Porsche 914 1972 - 1976
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00072128020
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
This groove nut is used to secure the front lower wishbone (A-arm) ball joint on classic Porsche suspension systems. Manufactured to the exact dimensions and thread specifications of the original Porsche part, it provides reliable clamping strength and precise seating of the ball joint within the control arm.
Sold each, fits left and right
Fits:
Porsche 911 1969 - 1989
Porsche 914 1972 - 1976
Diagram ref no 17
This groove nut locks the ball joint securely into the front wishbone, maintaining correct alignment and preventing movement under cornering loads and braking forces. Its machined groove design allows for proper engagement with a locking ring or pin, ensuring long-term stability and safety.
With age, the original groove nut may corrode, lose thread integrity, or deform during removal. Using a worn or non-spec nut can lead to incorrect torque, potential loosening, or suspension play.
Replace when:
• Replacing the front ball joints or wishbone assemblies
• The threads are damaged, corroded, or rounded
• Performing a front suspension rebuild or alignment correction
Installing a fresh groove nut ensures proper torque retention, precise alignment, and dependable suspension performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90134142501
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Stock replacement. It restores precise steering, stability, and safe handling.
Sold as a kit - Incl.: ball joint, hub nut, lock plate, split pin - 2 kits required per car.
Fits:
Porsche 911 08/1972 - 1989
Porsche 914 08/1971 - 02/1976
Diagram ref no 13, 15, 16 and 17
Mounting Location & Function:
• This ball joint connects the lower wishbone (control arm) to the steering knuckle at the front suspension of the car.
• It allows controlled pivoting and movement as the wheel travels over bumps and during steering, while maintaining a stable, precise alignment under loads.
Manufactured in Europe to OE specifications, this kit restores safe and precise steering by linking the control arm to the steering knuckle, allowing controlled tire movement. Over time, ball joints wear out or become damaged, leading to steering play, uneven tire wear, or knocking noises. Replacing them with OE Match parts ensures durability, reliability, and proper suspension performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91134104905
The product you are viewing cross references to these numbers
-
shock absorber strut 911 1978-83 402-00
-
parking-brake lever, actuating lever for heating 911 1978-83 701-05
-
shock absorber strut 911 1987-89 402-00
-
parking-brake lever, actuating lever for heating 911 1987-89 701-05
-
bumper rear 911 1987-89 802-05
-
special model flatnose design windscreen washer system horn 911 TURBO M506 1988-89 980-20
-
shock absorber strut 911 1984-86 402-00
-
parking-brake lever, actuating lever for heating 911 1984-86 701-05
-
bumper front 911 1984-86 802-00
OEMatch Ball Joints — Fit, Function, Confidence
OEMatch supplies a wide selection of ball joints for Porsche models, chosen to support routine servicing, suspension restoration and road handling needs. The range is supported by a long-running parts catalogue and ongoing product development, helping provide options for classic and modern Porsche applications.
Available Types
- Upper and lower ball joints
- Press-fit and bolt-on designs
- Sealed units and rebuildable types
Understanding OEMatch Ball Joints
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original ball joints.
OE (Original Equipment) refers to parts matching original specifications for the ball joints and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM ball joints engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Ball joints form pivotal links between control arms and steering knuckles, allowing controlled rotational and vertical movement while maintaining wheel alignment. They carry vehicle loads, dampen vibration and permit suspension articulation during cornering and braking. Regular inspection of dust boots, joint play and lubrication condition helps identify wear before handling or safety is affected.
Benefits Include
- Restores steering precision and alignment stability
- Reduces suspension noise and vibration
- Improves tyre wear and handling consistency
Why Ball Joints Wear and Fail
- Wear of internal bearing surfaces from repeated motion and loads
- Damaged or torn dust boots allowing dirt and moisture ingress
- Corrosion, contamination or age-related material fatigue
The Importance of Replacing with OEMatch Ball Joints
Replacing worn ball joints restores predictable steering response and tyre contact, which are important for driving stability on Porsche models. Using direct-fit replacements engineered to match original dimensions and tolerances helps preserve wheel alignment and steering geometry without extensive modification, making service and restoration work more straightforward.
Advantages
- Direct-fit designs that match mounting points and service procedures
- Options for both routine service and restoration projects
- Materials chosen for resistance to corrosion and mechanical load