3rd Brake Lights
- Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
Fits:
Porsche 991 Turbo / Turbo S 2014>>
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99163199900
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16

Fits:
Porsche 991 Turbo 2014-16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99163118301
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16

Fits:
Porsche 981SP Boxster Spyder 2016
Porsche 918 Spyder 2015
Porsche 991.1 Carrera 2012-16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99163118104
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
- Porsche 95B.1 Macan Petrol 2.0L 237Bhp 2014-18
- Porsche 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18
- Porsche 918 Spyder 4.6L

Fits:
Porsche 991 GT3 2014-21
For cars without Touring package
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99163118182
The product you are viewing cross references to these numbers
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
Fits:
Porsche 991 R MKI 2014>>2016
Porsche 991 GT3/ GT3 RS MKI 2014>>2016
Porsche 991 Speedster MKII 2016>>2021
Porsche 991 GT3 / GT3 RS MKII 2016>>2021
Diagram Ref No 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99163118703
The product you are viewing cross references to these numbers
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19

Lens in clear glass look. Functions and dimensions are the same as those of the standard tail lights.
Fits:
Porsche 991.1 Turbo / Turbo S >>2016 LHD cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99104490065
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16

Lens in clear glass look. Functions and dimensions are the same as those of the standard tail lights.
Fits:
Porsche 991.1 Turbo / Turbo S >>2016 RHD cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99104490066
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
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.