if you have pulled these bulbs out the housing already then they should have a part # with a manufacturer name.
try to find a NAPA near an area that services semi trucks or tour buses. these type of vehicles hav bulbs in their housing that always burn out and they are replaceable, its a pain in the ass to replace but it is done. hope that gives you more ammunition
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1997 gtp sedan / green ext / tan int
all stock incl trunk mounted c.d.
general lee c.b. radio with connex board,talk back and echo plus a.m. f.m. high and low band.
bearcat bct-7 law enforment/weatherband scanner