PY21W Chrome Turn Signal Bulb, single fillament 7507
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This is the best looking bulb to use in todays crystal clear turn signals and taillights.
Appears chrome plated but illuminates DOT Amber when lit.
Socket fitment: One contact in center, one notch at 12
O'clock position and one notch at 5 O'clock position. Fits most late model BMW and Mercedes turn signals and tails.