3rd Brake Lights

Fits:
Porsche 993 1995-98
with option code: 602 - Center high-mounted stop lamp
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963113591
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Fits:
Porsche 993 (911) Carrera 2 (1994 - 1998)
Porsche 993 (911) Carrera 4 (1995 - 1998)
Porsche 993 (911) RS (1996 - 1997)
Porsche 993 (911) Turbo (1995 - 1998)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99363106000
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97

The Bergvill F/X LED Smart Ballast is a circuit that allows for problem-free use of LED brake bulbs in Porsche cars fitted with a Cruise Control unit.
LED bulbs use considerably less current than normal incandescent bulbs. The reduced current load on the brake light circuit is detected by the Cruise Control unit as a fault, and it will not allow engaging of cruise function.
The Smart Ballast simulates the normal incandescent bulb current load, but without wasting energy or the need for bulky or very hot ballast resistors.
The Smart Ballast is ONLY needed if you are using LEDs only as brake lights. (and no normal incandescent bulbs) This means LEDs in the normal rear/brake lights, and LEDs in the third brake light if fitted.
Please note the following:
• Only ONE Smart Ballast is needed per car
Cars without Cruise Control DO NOT NEED this circuit
• You DO NOT NEED this circuit if you have the normal incandescent third brake light
• This circuit will only work for solving issues using LED brake lights in Porsche cars. It will not work for solving any issues when using LED bulbs in turn signals or any other purpose.
Tested in Porsche models 928, 964, 993 and 996. Other models on request.
Smart Ballast for LED brake lights CLICK HERE
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 911 1974-89
Porsche 964 1990-94
Porsche 993 1995-96
Material:
Polyuathane PU
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004490004
The product you are viewing cross references to these numbers
- 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)
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 911 1974-98
Material:
Polyuathane PU
Product Type:
Original Porsche
For Installation Instructions CLICK HERE
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004480012
The product you are viewing cross references to these numbers
- 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)
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

A complete kit to change the internals of the original third brake light of the Porsche 993. Fits spoiler, "basket handle" or rear window mounted brake lights. The kit contains a complete printed circuit board with 24 super bright (35 000 mcd) LED's for plug-and-play exchange of the original board with bulbs. Product does not contain the red plastic lens and frame. No soldering involved, plug-and-play installation. Other benefits:
• Avoid being rear-ended, this is a great safety upgrade to your orginal brake lights
• Significantly brighter than stock bulbs
20 times lower current consumption: ,0,13A (original: 2,5A)
• Significantly lower heat emission
• Significantly longer service life
• Immediate light when braking, faster than original bulbs
Download installation manual here
Note: You will experience problems using LED bulbs only as brake lights in Porsche cars fitted with a Cruise Control. Use the LED Smart Ballast to avoid this.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963113590
The product you are viewing cross references to these numbers
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Porsche Third Brake Lights | Safety, Visibility & Authentic Design
Third brake lights, also known as high-mounted stop lamps, are an essential safety feature in every Porsche. Positioned higher than the standard tail lights, they increase visibility to drivers behind you, especially under heavy braking or poor weather conditions. Over time, these lights can fade, crack, or fail — making timely replacement vital for maintaining safety and compliance.
At Design911, we supply premium-quality third brake lights and assemblies designed to deliver precise illumination, reliability, and a perfect fit. Our range includes LED upgrades, smoked lens options, and direct-fit replacements for classic and modern Porsche models. Each unit is built to meet performance standards for brightness, clarity, and durability, ensuring both style and safety on the road.
Whether you’re restoring an air-cooled 911 or upgrading a modern Cayman, our third brake lights combine safety, design precision, and genuine Porsche performance appeal.
What Do Third Brake Lights Do?
Third brake lights enhance safety and communication between vehicles by providing an additional, elevated signal when braking.
Core Functions:
- Increase visibility during braking, especially at night or in fog.
- Reduce the risk of rear-end collisions.
- Provide redundancy if lower brake lights fail.
- Enhance the visual balance and styling of the vehicle’s rear design.
- Maintain compliance with road safety regulations.
In a Porsche, where design and performance meet precision engineering, third brake lights play a vital role in safety and aesthetics alike.
Why Do Third Brake Lights Fail or Degrade?
Even high-quality lighting components are exposed to heat, vibration, and environmental stress, leading to deterioration over time.
Common Causes of Failure Include:
- Burnt-out bulbs or failed LEDs.
- Cracked or faded lens covers from UV exposure.
- Water ingress leading to condensation or corrosion.
- Electrical connection faults or damaged wiring.
- Vibration-related damage from performance driving.
When a third brake light becomes dim, cracked, or non-functional, it compromises both safety and the car’s visual integrity — and can even result in MOT or inspection failure.
Why Replace or Upgrade Your Porsche Third Brake Light?
Replacing or upgrading your Porsche’s third brake light restores full braking visibility and adds a refined finish to your rear styling. LED and smoked-lens options also enhance modernity and performance appeal.
Key Benefits:
- Restores optimal visibility and safety.
- Prevents MOT or road safety test failures.
- Enhances appearance with clear, smoked, or LED options.
- Compatible with Porsche 911, Boxster, Cayman, Panamera, Macan, Cayenne and other models.
- Direct-fit design for quick, easy installation.
- Ideal for maintenance, restoration, or visual upgrades.
High-quality replacements from Design911 ensure your Porsche’s lighting system performs flawlessly and looks stunning.
Highlights
- Precision-engineered Porsche third brake light assemblies.
- Available in LED, clear, or smoked finishes.
- Designed for perfect fitment and maximum brightness.
- Long-lasting, weather-sealed construction.
- Enhances both safety and visual appeal.
- Ideal for Porsche restorations, maintenance, and upgrades.