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Porsche // 924 (1977-1988) // 924 2.0L 1980-85
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Accelerator Cables
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The Genuine Porsche Accelerator Cable Nipple (Clamp Piece), Part Number 477723601, is a small but essential throttle control component designed for selected classic Porsche 924, 928 and 944 models.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-85
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928S 4.7L 1983
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-91
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram Ref No 29
Manufactured to Porsche's original equipment specifications, this accelerator cable fitting forms part of the mechanical throttle linkage assembly, helping maintain a secure connection between the accelerator cable and its associated operating components.
The accelerator cable system transfers movement from the accelerator pedal through the mechanical linkage, allowing the driver to control engine throttle operation. The nipple provides an important connection within this arrangement, helping ensure that accelerator inputs are transmitted smoothly and consistently.
Despite its compact size, the accelerator cable nipple plays an important role in maintaining reliable throttle control. A damaged, worn or incorrectly fitted clamp piece can introduce unwanted movement or play within the linkage, potentially affecting accelerator pedal response.
Over time, the original component may deteriorate due to mechanical wear, corrosion, vibration or damage during maintenance. Replacing a worn or missing nipple with a Genuine Porsche component helps restore the original throttle linkage arrangement and dependable accelerator operation.
Ideal for accelerator cable repairs, throttle linkage servicing and classic Porsche restoration projects, this Genuine Porsche replacement provides the correct original equipment part for compatible vehicles.
What This Product Does:
The accelerator cable nipple, also known as a clamp piece or cable fitting, is a connecting component within the vehicle's mechanical accelerator control system.
Its primary function is to provide a secure attachment point within the accelerator cable and linkage assembly, ensuring that movement from the accelerator pedal can be transmitted through the throttle control mechanism.
When the driver presses the accelerator pedal, the cable and linkage system transfers the movement towards the engine's throttle mechanism. The accelerator cable nipple helps maintain the intended connection and positioning of the components involved.
Its main functions include:
- Securing accelerator linkage components: Provides a connection point within the accelerator cable operating mechanism.
- Supporting throttle response: Helps transmit accelerator pedal movement consistently through the mechanical linkage.
- Maintaining correct cable positioning: Supports the intended alignment and connection of the accelerator cable assembly.
- Reducing unwanted linkage play: Helps minimise excessive movement caused by a worn or damaged cable fitting.
- Supporting smooth accelerator operation: Contributes to predictable accelerator pedal movement and throttle control.
- Maintaining mechanical reliability: Helps prevent unwanted separation or movement at the associated linkage connection.
- Preserving original throttle functionality: Maintains the original accelerator cable assembly configuration specified by Porsche.
Symptoms Of Wear Or Failure:
The accelerator cable nipple is subjected to repeated movement, vibration and mechanical loading whenever the accelerator pedal is operated.
Although designed for long service life, ageing, corrosion or physical damage may affect its ability to maintain a secure connection.
Common symptoms of a worn or damaged accelerator cable nipple include:
- Excessive accelerator pedal play: A loose or worn fitting may introduce unwanted free movement before the throttle responds.
- Delayed throttle response: Movement may not be transferred consistently through the linkage if the connection becomes loose.
- Inconsistent accelerator operation: A damaged or incorrectly positioned nipple may affect the movement of the accelerator linkage.
- Loose cable connection: The fitting may no longer hold its intended position securely within the linkage assembly.
- Difficulty achieving full throttle: Excessive play or incorrect cable positioning may prevent the linkage from reaching its full operating range.
- Accelerator pedal sticking or binding: A damaged or displaced fitting may interfere with normal linkage movement.
- Visible wear or deformation: Repeated mechanical stress may cause wear, distortion or damage to the fitting.
- Corrosion or surface deterioration: Ageing and exposure to moisture may weaken the component or affect its fitment.
- Unusual movement around the linkage: Excessive movement at the accelerator cable connection may indicate worn or incorrectly fitted components.
- Missing or detached nipple: A failed or displaced fitting may interrupt the mechanical connection within the accelerator control system.
Why Replacement Matters:
Replacing a deteriorated accelerator cable nipple is important for maintaining safe, predictable and reliable throttle control.
A worn, loose or damaged fitting can introduce excessive play within the accelerator cable assembly, reducing the accuracy of movement transmitted from the accelerator pedal.
If the connection becomes severely damaged or separates from the linkage, accelerator operation may be compromised, potentially resulting in loss of throttle control or unpredictable pedal response.
Installing a Genuine Porsche replacement Accelerator Cable Nipple helps to:
- Restore secure cable attachment: Maintain a dependable connection within the accelerator linkage assembly.
- Improve accelerator response: Reduce excessive free play caused by a worn or damaged connection.
- Maintain smooth throttle operation: Support consistent movement between the accelerator pedal and throttle mechanism.
- Prevent linkage disconnection: Replace damaged or deteriorated fittings before they cause further mechanical problems.
- Restore correct cable positioning: Help maintain the intended alignment of the accelerator operating components.
- Improve driving confidence: Support predictable accelerator response during normal driving.
- Reduce unnecessary linkage wear: Minimise unwanted movement that may place additional stress on connected components.
- Support classic Porsche maintenance: Replace ageing original parts during throttle linkage servicing.
- Preserve factory specifications: Maintain the correct original accelerator system arrangement.
- Support vehicle restoration: Restore missing or damaged linkage fittings during refurbishment.
- Maintain Genuine Porsche quality: Use the original equipment replacement part specified for compatible applications.
Replacement is particularly recommended when servicing the accelerator cable, adjusting the throttle linkage or restoring a classic Porsche with worn or missing accelerator control fittings.
Because the accelerator system is directly involved in controlling engine power, any signs of sticking, disconnection or unpredictable operation should be investigated before the vehicle is driven.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477723601
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
An accelerator cable arrangement through which an accelerator pedal and an engine carburetor are mechanically connected. The accelerator cable arrangement is composed of a cylindrical housing which is securely connected at its one end section with a pedal lever carrying the accelerator pedal.
Fits:
Porsche 924 2.0L RHD cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
478721547E
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Fits:
Porsche 924 1983>>1985
Porsche 924S 1986>>1988
Porsche 944 1982>>1991
Diagram Ref No 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
087321171C
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
Fits:
Manual OR Automatic Transmission
Porsche 924 2.0L 1976-85
Porsche 924 Turbo 2.0L 1980-84
Diagram ref. 8.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
823721569
The product you are viewing cross references to these numbers
Porsche Accelerator Cables & Parts | Design911 Performance Throttle Cable Systems
Accelerator cables are a critical connection between your Porsche’s pedal and throttle system, ensuring precise communication between driver input and engine response. In performance and motorsport applications, throttle cable precision directly affects acceleration, control, and smooth power delivery. Whether you’re maintaining a classic air-cooled 911 or enhancing a modern model, a properly functioning accelerator cable guarantees sharp, reliable throttle response every time you drive.
At Design911, we supply an extensive range of accelerator cables, linkage parts, clips, adjusters, and fittings built to exacting standards. Each cable is engineered for smooth operation, corrosion resistance, and long-term durability. Designed for performance restoration, tuning, or race preparation, our components deliver consistent throttle feel and dependable power control across all Porsche models.
What Do Accelerator Cables Do?
The accelerator cable links the throttle pedal to the engine’s throttle body or carburettor, controlling airflow and fuel delivery based on pedal movement.
Core Functions:
• Transmits pedal movement to the throttle mechanism for precise response.
• Allows smooth, linear acceleration through the full pedal range.
• Ensures consistent engine power delivery and driving control.
• Integrates with linkages and springs for responsive throttle return.
• Supports both mechanical and hybrid throttle systems in Porsche models.
A well-maintained accelerator cable system ensures immediate throttle feedback, smooth acceleration, and reliable performance under all driving conditions.
Why Do Accelerator Cables & Components Fail?
Accelerator cables operate under constant tension and movement, making them vulnerable to wear and degradation over time — especially in performance or older vehicles.
Common Causes of Failure Include:
• Frayed or stretched cables reducing throttle accuracy.
• Cable binding or sticking due to dirt, rust, or lack of lubrication.
• Worn adjusters, fittings, or grommets causing misalignment.
• Corrosion or cracking in outer cable housings.
• Improper routing or tension leading to premature wear.
A damaged or sticky throttle cable can cause delayed response, inconsistent acceleration, or complete throttle failure — all of which compromise both performance and safety.
Why Replace or Upgrade Your Porsche Accelerator Cable?
Replacing your Porsche’s accelerator cable ensures reliable throttle operation and crisp pedal response. Performance-grade components offer smoother action and improved resistance to stretch or fatigue.
Key Benefits:
• Restores accurate and responsive throttle control.
• Prevents sticking or delayed pedal feedback.
• Improves safety and drivability under high-stress use.
• Constructed from high-strength, corrosion-resistant materials.
• Precision-fit options for Porsche 911, 912, 914, Boxster, and Cayman models.
• Ideal for restorations, performance upgrades, or track-day preparation.
Design911’s accelerator cable range delivers unmatched reliability and control, ensuring your Porsche responds instantly and smoothly to every driver input.
Highlights
• Premium Porsche accelerator cables, linkages, and
fittings.
• Smooth, flexible, and corrosion-resistant design.
• Engineered for precise fitment and long service life.
• Essential for both performance upgrades and classic restorations.
• Compatible with air-cooled and water-cooled Porsche models.
• Perfect for track, road, or rally applications.
