Yes you can change the DRL bulb, just look at the part numbers listed below. However, if you want LEDs for the DRLs, just be aware that many have issues because the power supplied is 14V (if I recall correctly) versus typical 12V bulbs.
In the reverse lights, LEDs are not a problem but the light output is low compared to stock. The LEDs will look cool, but you may not be able to see out while backing up at night.
A list from Sylvania:
2007 CHEVROLET Suburban
Low beam headlamp
H11
H11ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
H11XV XtraVision Halogen - The Brighter Light
High beam headlamp
9005
9005SU Silverstar ULTRA for Ultra Night Vision - The Whitest and Brightest Halogen
9005ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
9005EB EcoBright - Your Environmental Choice
9005XV XtraVision Halogen - The Brighter Light
9005CB Cool Blue Halogen - The Whiter Light
Parking light
4157NALL
4157AST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
Front turn signal
4157NALL
4157AST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
Rear turn signal
3057LL
Tail light
3057LL
Stop light
3057LL
High mount stop light
LED
Fog/Driving light
5202
License plate
2825LL
Back up light
7441
Front sidemarker
2825LL
Map light
212-2
Dome light
212-2
Trunk/Cargo area
921
921ST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
921LL Long Life Upgrade: Up to twice the life of the standard lamp
Daytime running light
3157LL
***This is copied from another thread. Please confirm with owners manual or dealer.
To the moderators, can you make this a sticky for everyone?
