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Looking for aftermarket parts to modify or upgrade your 2003 Cadillac CTS with bulbs? At Tunersports.com we carry a huge selection of the top name brand performance bulb parts and accessories.
 IN STOCK - DROPSHIPS DD0019P194 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 HP3 LED - Blue (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2019 Cadillac CTS Base $48.63 |
 IN STOCK - DROPSHIPS DD0021P194 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 HP3 LED Natural - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2019 Cadillac CTS Base $48.63 |
 IN STOCK - DROPSHIPS DD0022P194 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 HP3 LED Pure - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2019 Cadillac CTS Base $48.63 |
 IN STOCK - DROPSHIPS DD0026P194 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 - Blue (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2019 Cadillac CTS Base $56.88 |
 IN STOCK DD0028P194 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 Natural - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2019 Cadillac CTS Base $45.88 |
 IN STOCK - DROPSHIPS DD0029P194 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 (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2019 Cadillac CTS 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) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $35.98 |
 IN STOCK - DROPSHIPS DD0033P194 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 - Blue (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $44.51 |
 IN STOCK - DROPSHIPS DD0034P194 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 - Green (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $44.51 |
 IN STOCK - DROPSHIPS DD0050PFeatures Direct replacement for factory incandescent 3156/3157-size turn signal bulb. Four COB type LED with a single high-power chip mounted at the top. Full metal heatsinking for reliable operation. Nonpolar and CK compatible electrical design. Increased output with LED appearance. Plug and play ... Diode Dynamics 3157 LED Bulb HP11 LED - Amber (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2008 Cadillac CTS Base $94.01 |
 IN STOCK - DROPSHIPS DD0051PFeatures Direct replacement for factory incandescent 3156/3157-size tail light/rear turn signal bulb. Four COB type LED with a single high-power chip mounted at the top. Full metal heatsinking for reliable operation. Nonpolar and CK compatible electrical design. Increased output with LED appearance... Diode Dynamics 3157 LED Bulb HP11 LED - Red (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $94.01 |
 IN STOCK - DROPSHIPS DD0052PFeaturesBrighter cool white LED outputDirect replacement compatible with reverse light bulbPlug and play no modification with factory 3157 bulb sizeImproved visibility behind vehicleAvailable in multiple brightness levelsOverviewBrighter Backup. These replacement LED bulbs are a great way to improve... Diode Dynamics 3157 LED Bulb HP11 LED - Cool - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $94.01 |
 IN STOCK - DROPSHIPS DD0053PFeatures Direct replacement for factory incandescent 3156/3157-size front turn signal bulb. Adds cool white running light along with amber turn signal. High-power Samsung LEDs arranged around the bulb. No yellow appearance when switched off. Fully aluminum construction. Non-polar and CK compatible.... Diode Dynamics 3157 LED Bulb HP24 Dual-Color LED - Cool - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2008 Cadillac CTS Base $102.26 |
 IN STOCK - DROPSHIPS DD0055PFeatures Direct replacement for factory incandescent 3156/3157-size turn signal bulb. 48 LEDs in omnidirectional design. Diffusing cover for even output and clean appearance when off. Molded connector with sturdy terminals. Adds more modern LED appearance. Plug and play simple installation. 250 lum... Diode Dynamics 3157 LED Bulb HP48 LED - Amber (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2008 Cadillac CTS Base $77.51 |
 IN STOCK - DROPSHIPS DD0056PFeatures Direct replacement for factory incandescent 3156/3157-size tail light/rear turn signal bulb. 48 LEDs in omnidirectional design. Diffusing cover for even output and clean appearance when off. Molded connector with sturdy terminals. Adds more modern LED appearance. Plug and play simple insta... Diode Dynamics 3157 LED Bulb HP48 LED - Red (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $77.51 |
 IN STOCK - DROPSHIPS DD0057PFeaturesBrighter cool white LED outputDirect replacement compatible with reverse light bulbPlug and play no modification with factory 3157 bulb sizeImproved visibility behind vehicleAvailable in multiple brightness levelsOverviewBrighter Backup. These replacement LED bulbs are a great way to improve... Diode Dynamics 3157 LED Bulb HP48 LED - Cool - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $77.51 |
 IN STOCK - DROPSHIPS DD0058PFeatures Direct replacement for factory incandescent 3156/3157-size turn signal bulb. Sixteen high-power 5W 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. 510... Diode Dynamics 3157 LED Bulb XP80 LED - Amber (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2008 Cadillac CTS Base $118.76 |
 IN STOCK - DROPSHIPS DD0059PFeatures Direct replacement for factory incandescent 3156/3157-size tail light/rear turn signal bulb. Sixteen high-power 5W 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 i... Diode Dynamics 3157 LED Bulb XP80 LED - Red (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $118.76 |
 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) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $41.21 |
 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) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $41.21 |
 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) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $41.21 |
 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) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $41.21 |
 IN STOCK - DROPSHIPS DD0088PFeatures Direct replacement for factory 39mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 39mm SMF2 LED bulb is a direct replacement for any 39mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 39mm SMF2 LED Bulb - Blue (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $46.16 |
 IN STOCK - DROPSHIPS DD0089PFeatures Direct replacement for factory 39mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 39mm SMF2 LED bulb is a direct replacement for any 39mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 39mm SMF2 LED Bulb - Green (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $46.16 |
 IN STOCK - DROPSHIPS DD0090PFeatures Direct replacement for factory 39mm festoon bulb Adds more modern LED appearance Plug and play simple installation Overview Design. The 39mm SMF2 LED bulb is a direct replacement for any 39mm-size bulb commonly found in vanity mirror lights in many vehicles. Populated with two 5050-size SM... Diode Dynamics 39mm SMF2 LED Bulb Warm - White (Pair) 2003-2003 Cadillac CTS Luxury / Luxury Sport 2003-2007 Cadillac CTS Base $46.16 |