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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://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram
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Product Information
Product Information
Brake/Tail Light Bulb, 12V 21/4W, Offset Pins.

The Brake/Tail Light Bulb – 12V 21/4W, Offset Pins is a Osram dual-filament bulb designed for rear brake and tail light applications. Operating at 12 volts with a 21/4 watt configuration, this bulb provides two levels of illumination — lower intensity for tail lights and higher intensity for brake lights.

Fits:

  • Porsche Boxster 987 2.7L 2005-08/08
  • Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08
  • Porsche 997 MK1 TURBO 2007-09
  • Porsche 997 MK1 GT3 2007-09
  • Porsche 997 MK1 GT2 2007-09
  • Porsche Cayman 2.7L 987C 2006-08
  • Porsche Cayman S 3.4L 987C 2005-08 

What This Product Does:
  • Providing rear tail light illumination when headlights are on
  • Delivering brighter brake light output when braking
  • Ensuring visibility to vehicles behind you
  • Supporting road safety and legal compliance
  • Maintaining correct light intensity through dual-filament design

Symptoms Of Wear Or Failure:
  • One or both rear lights not illuminating
  • Brake lights not activating when pressing the pedal
  • Dashboard bulb warning message (if equipped)
  • Dim or flickering rear lights
  • Burnt or blackened bulb glass

Why Replacement Matters:
  • Ensure clear signalling to other drivers
  • Maintain compliance with road safety regulations
  • Prevent rear-end collision risk
  • Restore proper dual-intensity lighting
  • Avoid MOT or inspection failures



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Related, superseded, cross reference or alternative numbers for comparison.

90063101791
90063101791
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90063102290

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