Accelerator Cable Nipple (Clamp Piece). Porsche 924 / 928 / 944 › 477723601

Accelerator Cable Nipple (Clamp Piece).

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
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477723601

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