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Looking for in-stock 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 DD0203S194 HP3 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 HP3 LED bulb is a compact simple LED replacement with proven performance. The single diffused optic spreads l... Diode Dynamics 194 LED Bulb HPHP3 LED - Green (Single) 2003-2006 Audi A4 Base / Cabriolet $42.86 |
 IN STOCK - DROPSHIPS DD0303SFeatures Direct replacement for factory 36mm festoon bulb Increased output with LED appearance Plug and play simple installation Overview Design. The 36mm HP6 LED bulb is a direct replacement for any 36mm-size bulb commonly found in door lights dome lights and trunk lights in many vehicles. Popula... Diode Dynamics 36mm HP6 LED Bulb LED - Blue (Single) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $46.98 |
 IN STOCK - DROPSHIPS DD0306PFeatures Direct replacement for factory 36mm festoon bulb Increased output with LED appearance Plug and play simple installation Overview Design. The 36mm HP6 LED bulb is a direct replacement for any 36mm-size bulb commonly found in door lights dome lights and trunk lights in many vehicles. Popula... Diode Dynamics 36mm HP6 LED Bulb LED - Cool - White (Pair) 2000-2012 Audi A4 Base 2003-2009 Audi A4 Cabriolet $56.88 |
 IN STOCK - DROPSHIPS DD0306SFeatures Direct replacement for factory 36mm festoon bulb Increased output with LED appearance Plug and play simple installation Overview Design. The 36mm HP6 LED bulb is a direct replacement for any 36mm-size bulb commonly found in door lights dome lights and trunk lights in many vehicles. Popula... Diode Dynamics 36mm HP6 LED Bulb LED - Cool - White (Single) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $46.98 |
 IN STOCK - DROPSHIPS DD0369PFeaturesDirect replacement for factory incandescent 1156-size backup bulb.30 high-power LEDs arranged in all directions.Metal heatsink to maintain high output.Inductive constant-current drive circuit.Increased output with LED Appearance.Plug and play simple installation.830 lumens per bulb.OverviewU... Diode Dynamics 1156 XPR LED Bulb - Cool - White (Pair) 2000-2008 Audi A4 Base 2003-2008 Audi A4 Cabriolet $135.26 |
 IN STOCK DD0467PFeaturesDirect plug-and-play replacement bulb.Available in white or selective yellow.Automotive-grade LEDs for superior performance.Fanless design provides high reliability.Backed by limited lifetime warranty.Designed and engineered in USA (Patents Pending).Introducing the SL2 LED Bulb!As a replacem... Diode Dynamics H11/H8/H9 White SL2 LED Bulbs (pair) 2002-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $159.95 |
 IN STOCK DD0468PFeaturesDirect plug-and-play replacement bulb.Available in white or selective yellow.Automotive-grade LEDs for superior performance.Fanless design provides high reliability.Backed by limited lifetime warranty.Designed and engineered in USA (Patents Pending).Introducing the SL2 LED Bulb!As a replacem... Diode Dynamics H11/H8/H9 Yellow SL2 LED Bulbs (pair) 2002-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $159.95 |
 IN STOCK DD0473PFeaturesDirect plug-and-play replacement bulb.Available in white or selective yellow.Automotive-grade LEDs for superior performance.Fanless design provides high reliability.Backed by limited lifetime warranty.Designed and engineered in USA (Patents Pending).Introducing the SL2 LED Bulb!As a replacem... Diode Dynamics H7 White SL2 LED Bulbs (pair) 2000-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $159.95 |
 IN STOCK DD0483PFeaturesAdvanced TST LED Technology for industry-leading performance.Internal cooling for superior reliability.Fully integrated design no wires or external drivers.Direct replacement bulb with compact fitment.Backed by limited lifetime warranty.Designed and engineered in USA (Patents Pending).Introd... Diode Dynamics H11/H8/H9 White SL2 Pro LED Bulbs (pair) 2003-2009 Audi A4 Cabriolet 2003-2014 Audi A4 Base $219.95 |
 IN STOCK 5007TBHELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella Bulb 5007 12V 5W Ba15S B6 (2) 2003-2008 Audi A4 Base / Cabriolet $26.21 |
 $26.08 |
 IN STOCK H7 2.0TBHELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella H7 12V 55W PX26D HP 2.0 Halogen Bulbs 1996-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $48.30 |
 IN STOCK - LOW H9 2.0TBHELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella H9 12V 65W PGJ19-5 HP 2.0 Halogen Bulbs 2003-2006 Audi A4 Base / Cabriolet $51.43 |
 IN STOCK 1156HELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella Bulb 1156 12V 27W BA15s S8 1996-2004 Audi A4 Base 2003-2004 Audi A4 Cabriolet $25.61 |
 IN STOCK 2825HELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella Bulb 2825 12V 5W 4CP W2.1x9.5d T3.25 1996-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $25.49 |
 IN STOCK 7225HELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella Bulb 7225 12V 21/4W BAZ15d S8 2003-2006 Audi A4 Base / Cabriolet $25.78 |
 IN STOCK 7506HELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella Bulb 7506 12V 21W BA15s S8 1996-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $25.63 |
 IN STOCK H9HELLA has been a close partner to the automotive industry and automotive parts retailers for 120 years. As part of Forvia, Hella is the seventh largest OEM supplier in the world and sells to every automobile manufacturer. HELLA develops and produces vehicle-specific solutions for automobile manufac... Hella Bulb H9 12V 65W PGJ19-5 T4 2003-2006 Audi A4 Base / Cabriolet $32.08 |
 IN STOCK - LOW H71070702HELLA's Headlight Bulb Set includes high-quality bulbs designed to provide bright, reliable illumination for your vehicle's headlights. Offering improved visibility and safety, these bulbs deliver powerful light for nighttime driving and adverse weather conditions.... Hella Optilux H7 12V/55W XY Xenon Yellow Bulb 1996-2014 Audi A4 Base 2003-2009 Audi A4 Cabriolet $46.96 |
 IN STOCK H71070792HELLA's Headlight Bulb Set includes high-quality bulbs designed to provide bright, reliable illumination for your vehicle's headlights. Offering improved visibility and safety, these bulbs deliver powerful light for nighttime driving and adverse weather conditions.... Hella Optilux H9 12V/100W XB Xenon White Bulb (pair) 2003-2006 Audi A4 Base / Cabriolet $53.45 |