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Porsche > Cayman 987C/981C (2005-2016) > Lighting > Light Bulbs >

Fog Lamp Bulbs

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H11 Halogen Bulb - 220% Brighter - for Porsche 987 / 996 / 997 / 955 / 957 / 958 - 99963114491 - RX2211
6
H11 Halogen Bulb - 220% Brighter - for Porsche 987 / 996 / 997 / 955 / 957 / 958
99963114491/2
Product Information
Product Information
The Xenon220 H11 halogen bulbs - sold as a pair - are Ring’s best-performing, road-legal headlamp replacements, offering exceptional brightness and a longer beam for improved visibility. With a color temperature of up to 3700K, they provide a whiter light that enhances road markings and signs for safer night-time driving. 

Additional High Beam (Vehicles with Xenon Headlamps):
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2006-08

Porsche 996-2 Carrera 2002-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2003-05

Porsche 997-1 Carrera 2005-08
Porsche 997-2 Carrera 2009-12*
Porsche 997-1 Turbo 2007-09
Porsche 997-2 Turbo 2010-13*
Porsche 997 GT3 2007-09
Porsche 997 GT3 2010-13*

Front Fog Lamp:
Porsche 987 Cayman 2006-12

Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18

Cornering Lamps:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18

*NOTE: For vehicles equipped with xenon headlamps featuring the cornering function (PR code 603), the additional high beam function utilises a H7 halogen bulb - not a H11.

-- Features --
- +220% brighter H11 performance halogen upgrade bulb
- Ring's best-performing halogen upgrade
- Provides more light on the road, improving visibility
- Enhanced visibility of road markings and signs
- Up to 3700K colour temperature for a whiter appearance in the headlamp compared to standard bulbs
- No changes to vehicle wiring required

-- Technical Specifications --
Bulb Technology: Halogen
ECE Type: H11
Wattage: 55W
Voltage: 12V DC 
Brightness: +220%
Colour Temperature: 3700K
E Regulation: 37 (Filament Lamps)
Product Dimensions (mm): 67 x 39 x 39
Weight (KG): 0.044

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Related, superseded, cross reference or alternative numbers for comparison.

99963114491
99963114491

The product you are viewing cross references to these numbers
H11 Halogen Bulb for Porsche 987 / 996 / 997 / 955 / 957 / 958 - 99963114491
2
H11 Halogen Bulb for Porsche 987 / 996 / 997 / 955 / 957 / 958
Special Order item
99963114491
Product Information
Product Information
Halogen H11 bulb. 

Sold individually. 

Additional High Beam (Vehicles with Xenon Headlamps):
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2006-08

Porsche 996-2 Carrera 2002-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2003-05

Porsche 997-1 Carrera 2005-08
Porsche 997-2 Carrera 2009-12*
Porsche 997-1 Turbo 2007-09
Porsche 997-2 Turbo 2010-13*
Porsche 997 GT3 2007-09
Porsche 997 GT3 2010-13*

Front Fog Lamp:
Porsche 987 Cayman 2006-12

Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18

Cornering Lamps:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18

Diagram ref. 29. 

*NOTE: For vehicles equipped with xenon headlamps featuring the cornering function (PR code 603), the additional high beam function utilises a H7 halogen bulb - not a H11. 

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

99963114491
99963114491

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
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About Fog Lamp Bulbs

Porsche Fog Lamp Bulbs - Improved Visibility & Safety in Poor Conditions

Porsche fog lamp bulbs are designed to provide wide, low-level illumination that cuts through fog, mist, rain, and spray. Positioned low on the vehicle, fog lamps reduce glare and improve road edge visibility, helping drivers maintain awareness and control in challenging weather conditions.

Available from Design911, Porsche fog lamp bulbs are supplied to OEM or approved upgrade standards, ensuring correct brightness, colour temperature, and reliable performance for everyday driving safety.

What Do Porsche Fog Lamp Bulbs Do?

Fog lamp bulbs enhance visibility when standard headlights are less effective.

Core Functions:

  • Illuminate the road surface in fog, mist, and heavy rain
  • Reduce glare by projecting a low, wide beam pattern
  • Improve visibility of road edges and markings
  • Enhance vehicle visibility to other road users
  • Support safe driving in poor weather conditions

Properly functioning fog lamps are an important safety feature.

Why Do Fog Lamp Bulbs Fail?

Fog lamp bulbs operate in exposed, high-moisture environments and are subject to wear.

Common Causes of Failure:

  • Filament wear from regular use
  • Moisture ingress into the lamp housing
  • Heat cycling causing internal bulb damage
  • Vibration from road surfaces
  • Age-related reduction in light output

Failed bulbs reduce visibility and may cause warning messages or MOT failures.

When Should a Fog Lamp Bulb Be Replaced?

Porsche fog lamp bulbs should be replaced when:

  • The bulb no longer illuminates
  • Light output appears dim or uneven
  • Colour temperature changes noticeably
  • Moisture damage is visible inside the lens
  • Replacing bulbs as part of preventative maintenance

Replacing worn bulbs ensures consistent lighting performance and safety compliance.

Highlights

  • OEM-spec Porsche fog lamp replacement bulbs
  • Designed for poor weather visibility
  • Correct beam pattern and brightness
  • Reliable performance and long service life
  • Suitable for maintenance and lighting upgrades       

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