2001 Tahoe light bulb question

whats up guys?

i found out that the puddle light ( the light under the side view mirrors that shine on to the floor ) on my 2001 Tahoe is bulb # 578. i am looking for a hyper white or preferably blue bulbs to replace them with.

now my problem is i can't find 578 bulbs anywhere , can any help me, or at least know what other # bulb can cross refference this one.

thank you.

it looks like a glass fuse with 2 handles on the ends. like a long dome light bulb without the pointy ends.

i have seen them in walmart but only the clear replacements.

my friend is a mechanic at the local chevy dealer and even he had no idea. he said that the replace the entire mirror if someone brings it in for the burned out light. ( what a rip-off )

[QUOTE=geepherder]Some people put blue nail polish on bulbs to get the hue they want.  Be forewarned though- any type of filter will harm their performance and possibly shorten their life expectancy.  Here are some blue led bulbs: http://www.xtremewhite.com/ORD-Light~bulbs-Led-Signal,Corner,Tail~and~accessories~bulbs-no-22502-1-1-1-1.cfm.[/QUOTE]

thanks for the link, i had found that too, but it says for availability that they are discontinued.  also i am a bit skeptical about using a different # bulb because the wattage maybe different. 

those LED ones would be fine, the wattage would be different but it will be drastically less so that's cool

a litle difference usually isn't big, but this is a big difference, haha, but it's still ok, cause l e d's pull way less,, just so you understood that, they will actually be better then the factory bulbs, they don't heat  up, they last longer, and they don't pull as much power