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Porsche > Cayman 987C / 981C (2005-2016) > Cayman S 3.4L 987C 2005-08 > Electrical & Relays >

Wiring harness

Wiring harness

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DISPLAYING 1 to 3 (of 3 products)
Clamp 17/15 Wiring Loom, AC Line & Gearbox Clamp. Porsche 928 S4 / 928 GT / 964 / 987.1 Boxster / Cayman - 99951114202
2
Clamp 17/15 Wiring Loom, AC Line & Gearbox Clamp. Porsche 928 S4 / 928 GT / 964 / 987.1 Boxster / Cayman
Special Order item
99951114202
Product Information
Product Information

Clamp 17/15 – Wiring Loom, AC Line & Gearbox Case Clamp 
Sold each

High-quality 17/15 clamp designed for multiple Porsche models including 928, 964, and 987.1 Boxster and Cayman.

This versatile clamp is used in several key locations, including control unit wiring looms on the Porsche 928, solid air conditioning lines on the Porsche 964, and Tiptronic gearbox casing applications on the Porsche 987.1. It ensures secure mounting and correct routing of critical components across electrical, cooling, and drivetrain systems.

Fits:

  • Porsche Boxster 987 2.7L 2005-08/08
  • Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  • 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
  • Porsche Cayman 2.7L 987C 2006-08
  • Porsche Cayman S 3.4L 987C 2005-08
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91

Diagram ref no 8  

Manufactured to OEM specifications, this clamp provides durability, corrosion resistance, and precise fitment. Supplied individually, it is ideal for maintenance, repair, or restoration work.

Key Features

• Clamp size 17/15
• Suitable for Porsche 928, 964, and 987.1
• Part number 99951114202
• Multi-use: wiring loom, AC line, gearbox casing
• Ensures secure mounting and routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure pipes, cables, and components in place.

It helps to:
• Hold wiring looms securely (928)
• Maintain correct routing of AC lines (964)
• Secure components on the Tiptronic gearbox casing (987.1)
• Prevent vibration-related wear or damage
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to heat and environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of pipes, cables, or components
• Increased risk of system wear or failure

Replacing worn clamps ensures proper securing and protects critical systems.



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

99951114202
99951114202

The product you are viewing cross references to these numbers
Clamp 17/15 Wiring Loom, AC Line & Gearbox Clamp. Porsche 928 S4 / 928 GT / 964 / 987.1 Boxster / Cayman - 99951114202 - PRSGU14
2
Clamp 17/15 Wiring Loom, AC Line & Gearbox Clamp. Porsche 928 S4 / 928 GT / 964 / 987.1 Boxster / Cayman
99951114202/1
Product Information
Product Information

Clamp 17/15 – Wiring Loom, AC Line & Gearbox Case Clamp 
Sold each

High-quality 17/15 clamp designed for multiple Porsche models including 928, 964, and 987.1 Boxster and Cayman.

This versatile clamp is used in several key locations, including control unit wiring looms on the Porsche 928, solid air conditioning lines on the Porsche 964, and Tiptronic gearbox casing applications on the Porsche 987.1. It ensures secure mounting and correct routing of critical components across electrical, cooling, and drivetrain systems.

Fits:

  • Porsche Boxster 987 2.7L 2005-08/08
  • Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  • 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
  • Porsche Cayman 2.7L 987C 2006-08
  • Porsche Cayman S 3.4L 987C 2005-08
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91

Diagram ref no 8  

Manufactured to OEM specifications, this clamp provides durability, corrosion resistance, and precise fitment. Supplied individually, it is ideal for maintenance, repair, or restoration work.

Key Features

• Clamp size 17/15
• Suitable for Porsche 928, 964, and 987.1
• Part number 99951114202
• Multi-use: wiring loom, AC line, gearbox casing
• Ensures secure mounting and routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure pipes, cables, and components in place.

It helps to:
• Hold wiring looms securely (928)
• Maintain correct routing of AC lines (964)
• Secure components on the Tiptronic gearbox casing (987.1)
• Prevent vibration-related wear or damage
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to heat and environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of pipes, cables, or components
• Increased risk of system wear or failure

Replacing worn clamps ensures proper securing and protects critical systems.



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

99951114202
99951114202

The product you are viewing cross references to these numbers
Wire set alarm horn conversion kit .Porsche 987 / 981 / 718 / 997 / 991 / 955 / 957 / 958 / 95B - 9P1998003A
1
Wire set alarm horn conversion kit .Porsche 987 / 981 / 718 / 997 / 991 / 955 / 957 / 958 / 95B
Special Order item
9P1998003A
Product Information
Product Information
Wire set alarm horn conversion kit .

porsche

Fits:

Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 718 Boxster / Cayman - 2017 to 2024
Porsche 997.1 / 997.2 - 2005 to 2012
Porsche 991.1 / 991 .2 - 2012 to 2019
Porsche 955 / 957 Cayenne - 2003 to 2010
Porsche 958 Cayenne - 2010 to 2017
Porsche 95B.1 Macan - 2014 to 2018



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

9P1998003A
9P1998003A

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Wiring harness

Wiring Harnesses – Precision Electrical Connectivity for Porsche Vehicles

Wiring harnesses are the backbone of your Porsche’s electrical system. They connect and deliver power between critical components - from lighting and sensors to engine management and infotainment systems - ensuring everything functions as designed. A properly fitted harness guarantees reliable electrical performance, signal integrity, and safety throughout the vehicle.

At Design911, we supply a wide range of genuine and high-quality wiring harnesses for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each harness is meticulously engineered offering precision, reliability, and durability as intended

What Do Wiring Harnesses Do?

A wiring harness is a complex assembly of wires, connectors, and terminals designed to:

  • Transmit power and data between electrical systems.
  • Protect electrical circuits with insulated, organised routing.
  • Simplify installation and maintenance by combining multiple wires into one unified assembly.
  • Ensure correct communication between sensors, ECUs, lights, and other modules.

In modern Porsches, wiring harnesses play a vital role in enabling advanced technologies — from adaptive lighting and traction control to comfort and entertainment systems.

Why Do Wiring Harnesses Fail?

Even though designed for longevity, wiring harnesses can degrade or fail due to:

  • Heat exposure or engine vibration causing insulation wear.
  • Moisture ingress or corrosion in connectors and terminals.
  • Rodent damage or physical abrasion from engine movement.
  • Electrical overloads or short circuits damaging internal wiring.
  • Previous repairs or poor modifications affecting performance.

Signs of a failing wiring harness include flickering lights, intermittent electrical faults, dashboard warnings, or complete system failure.

Why Replace Faulty Wiring Harnesses?

Replacing a damaged wiring harness restores proper electrical performance, eliminates intermittent issues, and prevents costly damage to control modules or sensors.

Benefits of replacement include:

  • Restored power delivery and communication across systems.
  • Improved reliability and protection against shorts or fires.
  • Elimination of diagnostic faults and warning lights.
  • Precision-fit installation with manufacturer-standard components.

Each harness in this range is built using high-grade materials and connectors, ensuring accurate fitment, corrosion resistance, and long-term dependability.

 

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