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Porsche > 911 & 912 (1965-1989) > 911 1984-1986 3.2L > Electrical & Relays >

Headlamp Switch

Headlamp Switch

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DISPLAYING 1 to 3 (of 3 products)
Headlamp Switch Kit. Porsche 911 1986 - 91161302904
6
Headlamp Switch Kit. Porsche 911 1986
91161302904/1KIT
Product Information
Product Information

Match Headlamp Switch Kit 

Restore the reliable operation of your Porsche's lighting controls with this Headlamp Switch Kit, designed specifically for the Porsche 911 (1986).
 
Fits:

  • Porsche 911 1986 3.2L  
  • Porsche 911 1986 3.3L Turbo (930)         

Diagram ref no 1, 2, 3, 4 and 28

This comprehensive kit contains all the components required to replace a worn or faulty headlamp switch while restoring the original appearance of the dashboard:

  • OE Match headlamp switch
  • Switch mounting washer
  • Securing rosette
  • Pull knob
  • Pull knob insert

Manufactured to OE specifications, this kit provides factory-style fitment and dependable operation, making it an excellent choice for repairs, interior refurbishment or complete vehicle restoration.

What Does the Headlamp Switch Do?

The headlamp switch controls your Porsche's exterior lighting, allowing the driver to operate the side lights, headlights and dashboard illumination.

As one of the most frequently used controls in the vehicle, it plays a vital role in ensuring safe driving during darkness or poor weather conditions while maintaining legal road compliance.

Why Do Headlamp Switches Fail?

Over time, the switch is subjected to continual use, electrical load and heat, causing the internal components to wear.

Common causes of failure include:

  • Worn electrical contacts
  • Heat damage from prolonged use
  • Oxidised terminals
  • Broken or worn pull knobs
  • Loose mounting components
  • General age-related wear

As the switch deteriorates, lighting operation can become unreliable or intermittent.

When Should It Be Replaced?

Replacement is recommended if:

  • Headlights or side lights operate intermittently
  • The switch feels stiff or loose
  • The pull knob is damaged or missing
  • Electrical contacts become unreliable
  • The dashboard switch is worn or faded
  • The vehicle is undergoing restoration

Replacing the complete kit restores dependable lighting control while giving the dashboard a factory-fresh appearance.

Porsche 911 Electrical & Dashboard Switches

The electrical switches fitted to classic Porsche 911 models experience decades of daily use and eventually become worn through repeated operation. Replacing ageing switches not only improves reliability but also enhances the appearance of the interior.

This OE Match Headlamp Switch Kit provides a cost-effective solution for restoring one of the most frequently operated dashboard controls, offering factory-style fitment and dependable performance for routine maintenance or full restorations.

Benefits of Replacing the Headlamp Switch

  • Restores reliable lighting control
  • Improves electrical performance
  • Refreshes dashboard appearance
  • Replaces worn switch components
  • Complete installation kit 



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

91161302904
91161302904

The product you are viewing cross references to these numbers
Headlamp Switch. Porsche 911 - 91161302903, 90161321200, 91161302900, 91161302901, 91161302902, 91161302904
2
Headlamp Switch. Porsche 911
Special Order item
91161302904
Product Information
Product Information
Headlamp Switch.

Fits:
Porsche 911 1965-89

changes from the old part numbers
91161302903, 90161321200,

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

91161302904
91161302903
90161321200
91161302900
91161302901
91161302902
91161302904

The product you are viewing cross references to these numbers
Headlamp Switch. Porsche 911 - 91161302903, 90161321200, 91161302900, 91161302901, 91161302902, 91161302904 - 911 613 029 04
2
Headlamp Switch. Porsche 911
91161302904/1
Product Information
Product Information
Headlamp Switch.
Restore dependable lighting control with this OE Match Headlamp Switch, manufactured as a direct replacement. Produced to OE-style specifications, this headlamp switch is designed to operate the vehicle's exterior lighting system, allowing the driver to control the side lights, headlamps, and associated lighting functions with smooth, reliable operation.
 
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)  


Diagram Ref No 1

Over time, the original switch can suffer from worn internal contacts, heat damage, corrosion, or mechanical wear caused by frequent use and age. These faults can lead to intermittent lighting operation, flickering headlamps, or complete switch failure, compromising visibility and vehicle safety. Replacing a worn or faulty headlamp switch restores dependable lighting control and ensures the electrical system functions as intended. This OE Match headlamp switch is ideal for routine maintenance, electrical repairs, and Porsche restoration projects.  

What This Product Does:

  • Controls the operation of the vehicle's exterior lighting.
  • Activates the side lights and headlamps.
  • Provides reliable switching of the lighting circuits.
  • Helps ensure safe vehicle operation in low-light conditions.
  • Replaces worn, damaged, or faulty original switches.
  • Restores smooth and dependable lighting control.
  • Provides an OE-style fit and dependable quality.

Symptoms Of Wear Or Failure:
  • Headlamps failing to switch on or off correctly.
  • Intermittent lighting operation.
  • Flickering headlights or side lights.
  • Loose or inconsistent switch operation.
  • Excessive heat around the switch.
  • Burnt or worn electrical contacts.
  • Electrical faults identified during lighting system servicing or restoration.

Why Replacement Matters:
  • The headlamp switch is a vital component of the Porsche electrical system, providing safe and reliable control of the vehicle's exterior lighting. A worn or faulty switch can result in unreliable headlamp operation, intermittent electrical faults, and reduced visibility, affecting both safety and driving confidence.
  • Replacing a damaged headlamp switch restores consistent lighting control, improves electrical reliability, and helps ensure the lighting system performs as Porsche intended. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Headlamp Switch provides the correct fit, dependable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.



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

91161302904
91161302903
90161321200
91161302900
91161302901
91161302902
91161302904

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
Also found on these pages
About Headlamp Switch

Ensure full control of your Porsche’s lighting system with genuine and aftermarket headlamp switches from Design911. These essential electrical components control your vehicle’s headlights, fog lights, and sometimes dashboard illumination, ensuring optimal visibility and safety during every drive.

What They Are & What They Do
A headlamp switch — also known as a light control switch — is located on the dashboard or steering column. It allows drivers to turn on, dim, or adjust headlights, sidelights, and fog lamps, sending power to the correct lighting circuits.
In modern Porsche models, the switch is integrated with electronic control modules and automatic light sensors, ensuring seamless lighting transitions and driver convenience.

Why They Fail
Over time, headlamp switches can suffer from electrical contact wear, internal corrosion, overheating, or plastic fatigue. Common symptoms include flickering lights, failure to switch between modes, or headlights not turning on at all. Prolonged exposure to dust, heat, and vibration can degrade internal connections and cause the switch to fail intermittently or permanently.

Why They Should Be Replaced
A faulty headlamp switch compromises visibility, safety, and road compliance. Replacing a worn or broken switch restores reliable lighting control, ensures proper electrical function, and eliminates dashboard warnings.

At Design911, we offer a full range of genuine Porsche and premium aftermarket headlamp switches, designed for perfect fitment, OEM-level quality, and long-term reliability across all Porsche models - from classic 911s to modern Taycan, Macan, and Cayenne variants.

Genuine Porsche Headlamp Switches
Factory-engineered lighting control switches made to Porsche’s exact standards for seamless function and durability.

Aftermarket Replacement Light Switches
High-quality alternatives that match OEM performance, providing precise lighting control at an affordable price.

Classic Porsche Headlamp Switches
Authentic reproductions for vintage models like the 911, 912, and 964 - maintaining period-correct design and
reliability.

Multifunction & Rotary Headlamp Switches
Advanced units with integrated fog light, dimmer, and automatic sensor controls for modern Porsche models.

Illumination & Dashboard Light Switches
OEM-grade replacements for interior light dimmers and dashboard illumination controls.

Connectors & Wiring Accessories
High-quality plugs, harnesses, and terminals to ensure fault-free electrical contact and safe lighting operation.

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