Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Wiring harness

Refine by Car Type
Filter by brand
DISPLAYING 1 to 9 (of 9 products)
Special Order item
99951302340
Product Information
Product Information
Cable tie wrap. 

porsche

Fits:
Porsche 911 - 1970 to 1989
Porsche 914 - 1970 to 1976
Porsche 928 - 1978 to 1995
Porsche 996 GT3 - 1999 to 2005
Porsche 997 turbo - 2007 to 2013

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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Related, superseded, cross reference or alternative numbers for comparison.

99951302340
99951302340

The product you are viewing cross references to these numbers
99951115600/1
Product Information
Product Information

Clamp 13/15 W5 – Power Steering Pipe & Wiring Loom Clamp 
Sold each

High-quality 13/15 W5 clamp designed for Porsche 928 models from 1983 to 1995, used to secure power steering pipes and wiring looms.

This clamp ensures that both hydraulic lines and electrical wiring are held securely in place, maintaining correct routing and preventing movement, vibration, or potential damage within the engine bay. It plays an important role in preserving both steering system reliability and electrical system integrity.

Fits:

  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 32

Manufactured to OEM specifications, this clamp provides precise fitment, durability, and corrosion resistance. Supplied individually, it is ideal for maintenance, repair, or restoration of Porsche 928 systems.

Key Features

• Clamp size 13/15 W5
• Suitable for Porsche 928 (1983–1995)
• Designed for power steering pipes and wiring looms
• Ensures secure mounting and routing
• Prevents vibration-related wear and damage
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure pipes and wiring in place.

It helps to:
• Hold power steering pipes securely
• Maintain correct routing of wiring looms
• Prevent movement and vibration damage
• Protect hoses and electrical components
• 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
• Pipe or wiring movement
• Increased risk of wear, leaks, or electrical faults

Replacing worn clamps ensures secure installation and protects critical systems.



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

99951115600
99951115600

The product you are viewing cross references to these numbers
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
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
Special Order item
N0206211
Product Information
Product Information

Clamp  B12/8  – Sunroof Drain & Wiring Loom Clamp 
Sold each

High-quality B12/8 clamp designed for securing components on Porsche 911 and 928 models.

This clamp is used on the sunroof drain tube on Porsche 911 models (1988–1989) and for securing the wiring loom on the Porsche 928, ensuring correct routing and protection of key systems.


Diagram ref no 13B  

Manufactured to OEM specifications, this clamp provides a secure fit, durability, and resistance to corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration of classic Porsche systems.

Key Features

• Clamp size B12/8
• Suitable for Porsche 911 and Porsche 928
• Part number N0206211
• Used for sunroof drain tubes and wiring looms
• Ensures secure mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure hoses and wiring in place.

It helps to:
• Hold sunroof drain tubes securely (911)
• Maintain correct routing of wiring looms (928)
• Prevent movement and vibration damage
• Protect hoses and electrical components
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Hose or wiring movement
• Increased risk of leaks or electrical wear

Replacing worn clamps ensures proper securing and system protection.



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

N0206211
N0206211

The product you are viewing cross references to these numbers
Special Order item
N0206211/1
Product Information
Product Information

Clamp  B12/8  – Sunroof Drain & Wiring Loom Clamp 
Sold each

High-quality B12/8 clamp designed for securing components on Porsche 911 and 928 models.

This clamp is used on the sunroof drain tube on Porsche 911 models (1988–1989) and for securing the wiring loom on the Porsche 928, ensuring correct routing and protection of key systems.


Diagram ref no 13B  

Manufactured to OEM specifications, this clamp provides a secure fit, durability, and resistance to corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration of classic Porsche systems.

Key Features

• Clamp size B12/8
• Suitable for Porsche 911 and Porsche 928
• Part number N0206211
• Used for sunroof drain tubes and wiring looms
• Ensures secure mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure hoses and wiring in place.

It helps to:
• Hold sunroof drain tubes securely (911)
• Maintain correct routing of wiring looms (928)
• Prevent movement and vibration damage
• Protect hoses and electrical components
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Hose or wiring movement
• Increased risk of leaks or electrical wear

Replacing worn clamps ensures proper securing and system protection.



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

N0206211
N0206211

The product you are viewing cross references to these numbers
Special Order item
92861287400
Product Information
Product Information

ABS Pump Cable Connector Cover Cap 

High-quality ABS pump cable connector cover cap designed for Porsche 928 models from 1984 to 1995 with ABS.

This protective cover fits over the ABS pump electrical connector, located on the left-hand side of the engine bay, helping to shield the connection from dirt, moisture, and environmental contaminants.

Fits:

  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 6

As part of the ABS system wiring protection, this cap plays an important role in maintaining reliable electrical connections and preventing corrosion or damage to sensitive components.

Manufactured to OEM specifications, it ensures a precise fit and long-lasting durability, making it ideal for restoration, maintenance, or replacement of worn or missing covers.

Key Features

• ABS pump cable connector cover cap
• Fits Porsche 928 (1984–1995)
• Located on left-hand side of engine bay
• Protects electrical connector from dirt and moisture
• OEM-style fit and specification
• Durable construction for long-term protection

Function and Purpose

This cover cap is a protective component within the ABS system.

It helps to:
• Shield ABS pump electrical connections
• Prevent ingress of dirt, dust, and moisture
• Reduce risk of corrosion or electrical faults
• Maintain reliable ABS system performance
• Preserve wiring integrity in the engine bay

Why Replace Connector Covers

Over time, protective caps can become damaged or lost.

Common issues include:
• Cracked or brittle plastic
• Missing covers exposing connectors
• Contamination of electrical contacts
• Increased risk of corrosion or connection failure

Replacing worn covers helps maintain proper electrical protection and system reliability.



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

92861287400
92861287400

The product you are viewing cross references to these numbers
92861287400/1
Product Information
Product Information

ABS Pump Cable Connector Cover Cap 

High-quality ABS pump cable connector cover cap designed for Porsche 928 models from 1984 to 1995 with ABS.

This protective cover fits over the ABS pump electrical connector, located on the left-hand side of the engine bay, helping to shield the connection from dirt, moisture, and environmental contaminants.

Fits:

  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 6

As part of the ABS system wiring protection, this cap plays an important role in maintaining reliable electrical connections and preventing corrosion or damage to sensitive components.

Manufactured to OEM specifications, it ensures a precise fit and long-lasting durability, making it ideal for restoration, maintenance, or replacement of worn or missing covers.

Key Features

• ABS pump cable connector cover cap
• Fits Porsche 928 (1984–1995)
• Located on left-hand side of engine bay
• Protects electrical connector from dirt and moisture
• OEM-style fit and specification
• Durable construction for long-term protection

Function and Purpose

This cover cap is a protective component within the ABS system.

It helps to:
• Shield ABS pump electrical connections
• Prevent ingress of dirt, dust, and moisture
• Reduce risk of corrosion or electrical faults
• Maintain reliable ABS system performance
• Preserve wiring integrity in the engine bay

Why Replace Connector Covers

Over time, protective caps can become damaged or lost.

Common issues include:
• Cracked or brittle plastic
• Missing covers exposing connectors
• Contamination of electrical contacts
• Increased risk of corrosion or connection failure

Replacing worn covers helps maintain proper electrical protection and system reliability.



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

92861287400
92861287400

The product you are viewing cross references to these numbers
RELSTM
Product Information
Product Information
External starter motor relay.
Bypass your expensive ignition switch and install a hot start relay that will lead the current directly to the starter.
We have a 6 or 12 volt version and it works in any classic.

Fits:
Porsche 911 / 924 / 928 / 914 / 944 / 968 / 356

This relay can be placed near the starter motor and is used to limit the starting current and no longer allow it to be switched via the ignition switch.
DISPLAYING 1 to 9 (of 9 products)
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.

 

You may also like
Popular Models