Looking for aftermarket parts to modify or upgrade your 2003 Audi A4 with bulbs? At Tunersports.com we carry a huge selection of the top name brand performance bulb parts and accessories.

IN STOCK - DROPSHIPS DD0029S194 HP5 LED Features Diffused lens design for even spread Proven performance highly reliable Increased output with LED Appearance Plug and play simple installation Overview Design. The 194 HP5 LED bulb is a high-power LED in a small package. With copper inserts for heat dissipation the total outpu... Diode Dynamics 194 LED Bulb HP5 LED Pure - White (Single) 2003-2006 Audi A4 Base / Cabriolet $46.98 |
IN STOCK - DROPSHIPS DD0030P194 HP5 LED Features Diffused lens design for even spread Proven performance highly reliable Increased output with LED Appearance Plug and play simple installation Overview Design. The 194 HP5 LED bulb is a high-power LED in a small package. With copper inserts for heat dissipation the total outpu... Diode Dynamics 194 LED Bulb HP5 LED - Red (Pair) 2003-2009 Audi A4 Cabriolet 2003-2012 Audi A4 Base $56.88 |
IN STOCK - LOW DD0030S194 HP5 LED Features Diffused lens design for even spread Proven performance highly reliable Increased output with LED Appearance Plug and play simple installation Overview Design. The 194 HP5 LED bulb is a high-power LED in a small package. With copper inserts for heat dissipation the total outpu... Diode Dynamics 194 LED Bulb HP5 LED - Red (Single) 2003-2006 Audi A4 Base / Cabriolet $35.98 |
IN STOCK DD0031P194 HP5 LED Features Diffused lens design for even spread Proven performance highly reliable Increased output with LED Appearance Plug and play simple installation Overview Design. The 194 HP5 LED bulb is a high-power LED in a small package. With copper inserts for heat dissipation the total outpu... Diode Dynamics 194 LED Bulb HP5 LED - Cool - White (Pair) 2003-2009 Audi A4 Cabriolet 2003-2014 Audi A4 Base $45.88 |
IN STOCK DD0031S194 HP5 LED Features Diffused lens design for even spread Proven performance highly reliable Increased output with LED Appearance Plug and play simple installation Overview Design. The 194 HP5 LED bulb is a high-power LED in a small package. With copper inserts for heat dissipation the total outpu... Diode Dynamics 194 LED Bulb HP5 LED - Cool - White (Single) 2003-2006 Audi A4 Base / Cabriolet $35.98 |
IN STOCK - DROPSHIPS DD0032P194 SMD2 LED Features Direct replacement for factory 194 incandescent bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 194 SMD2 LED bulb is a low-profile compact LED replacement for any 194-size bulb. The two 5050-size SMDs upgrade the factory yellowish i... Diode Dynamics 194 LED Bulb SMD2 LED - Amber (Pair) 2003-2009 Audi A4 Cabriolet 2003-2012 Audi A4 Base $44.51 |
IN STOCK - DROPSHIPS DD0035P194 SMD2 LED Features Direct replacement for factory 194 incandescent bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 194 SMD2 LED bulb is a low-profile compact LED replacement for any 194-size bulb. The two 5050-size SMDs upgrade the factory yellowish i... Diode Dynamics 194 LED Bulb SMD2 LED Warm - White (Pair) 2003-2009 Audi A4 Cabriolet 2003-2012 Audi A4 Base $44.51 |
IN STOCK - DROPSHIPS DD0036P194 SMD2 LED Features Direct replacement for factory 194 incandescent bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 194 SMD2 LED bulb is a low-profile compact LED replacement for any 194-size bulb. The two 5050-size SMDs upgrade the factory yellowish i... Diode Dynamics 194 LED Bulb SMD2 LED - Red (Pair) 2003-2009 Audi A4 Cabriolet 2003-2012 Audi A4 Base $44.51 |
IN STOCK - DROPSHIPS DD0037P194 SMD2 LED Features Direct replacement for factory 194 incandescent bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 194 SMD2 LED bulb is a low-profile compact LED replacement for any 194-size bulb. The two 5050-size SMDs upgrade the factory yellowish i... Diode Dynamics 194 LED Bulb SMD2 LED - Cool - White (Pair) 2003-2009 Audi A4 Cabriolet 2003-2012 Audi A4 Base $44.51 |
IN STOCK - DROPSHIPS DD0078PFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb - Blue (Pair) 2000-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $46.16 |
IN STOCK - DROPSHIPS DD0078SFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb - Blue (Single) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $41.21 |
IN STOCK - DROPSHIPS DD0079PFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb Warm - White (Pair) 2000-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $46.16 |
IN STOCK - DROPSHIPS DD0079SFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb Warm - White (Single) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $41.21 |
IN STOCK - DROPSHIPS DD0080PFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb - Red (Pair) 2000-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $46.16 |
IN STOCK - DROPSHIPS DD0080SFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb - Red (Single) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $41.21 |
IN STOCK - DROPSHIPS DD0081PFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb - Cool - White (Pair) 2000-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $46.16 |
IN STOCK - DROPSHIPS DD0081SFeatures Direct replacement for factory 36mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 36mm SMF2 LED bulb is a direct replacement for any 36mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 36mm SMF2 LED Bulb - Cool - White (Single) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $41.21 |
IN STOCK - DROPSHIPS DD0145SFeatures Direct replacement for factory 74 194 BA9S or festoon-size incandescent bulb Increased output with LED Appearance Plug and play simple installation Available in multiple color options Overview Upgrade. Add more light output and a modern appearance to your vehicle with the SMD12 LED Board.... Diode Dynamics LED Board SMD12 - Amber (Single) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.63 |
IN STOCK - DROPSHIPS DD0146SFeatures Direct replacement for factory 74 194 BA9S or festoon-size incandescent bulb Increased output with LED Appearance Plug and play simple installation Available in multiple color options Overview Upgrade. Add more light output and a modern appearance to your vehicle with the SMD12 LED Board.... Diode Dynamics LED Board SMD12 - Blue (Single) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.63 |
IN STOCK - DROPSHIPS DD0147SFeatures Direct replacement for factory 74 194 BA9S or festoon-size incandescent bulb Increased output with LED Appearance Plug and play simple installation Available in multiple color options Overview Upgrade. Add more light output and a modern appearance to your vehicle with the SMD12 LED Board.... Diode Dynamics LED Board SMD12 - Green (Single) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.63 |
IN STOCK - DROPSHIPS DD0148SFeatures Direct replacement for factory 74 194 BA9S or festoon-size incandescent bulb Increased output with LED Appearance Plug and play simple installation Available in multiple color options Overview Upgrade. Add more light output and a modern appearance to your vehicle with the SMD12 LED Board.... Diode Dynamics LED Board SMD12 Warm - White (Single) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.63 |
IN STOCK - DROPSHIPS DD0149SFeatures Direct replacement for factory 74 194 BA9S or festoon-size incandescent bulb Increased output with LED Appearance Plug and play simple installation Available in multiple color options Overview Upgrade. Add more light output and a modern appearance to your vehicle with the SMD12 LED Board.... Diode Dynamics LED Board SMD12 - Red (Single) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.63 |
IN STOCK - DROPSHIPS DD0150SFeatures Direct replacement for factory 74 194 BA9S or festoon-size incandescent bulb Increased output with LED Appearance Plug and play simple installation Available in multiple color options Overview Upgrade. Add more light output and a modern appearance to your vehicle with the SMD12 LED Board.... Diode Dynamics LED Board SMD12 - Cool - White (Single) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.63 |
IN STOCK - DROPSHIPS DD0158PFeaturesDirect replacement for factory incandescent bulb.Increased output with LED Appearance.Automotive-grade LEDs for superior performance.Plug and play simple installation.OverviewAdd a modern appearance to your vehicle with the HP48. Populated with 48 Epistar 3014 LED chips the HP48 upgrades the... Diode Dynamics H11 HP48 LED - Cool - White (Pair) 2002-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $77.51 |
IN STOCK - DROPSHIPS DD0165PFeaturesDirect replacement for factory incandescent bulb.Increased output with LED Appearance.Automotive-grade LEDs for superior performance.Plug and play simple installation.OverviewAdd more light output and a modern appearance to your vehicle with the XP80. Populated with twelve side-firing 5W-rat... Diode Dynamics H11 XP80 LED - Cool - White (Pair) 2002-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $118.76 |