Lights Bulbs for cars are manufactured in standardized formats. All highly regarded automotive bulbs come with the integrity of compliance with international and national regulations.

Codes of automotive bulbs associated with their applications are commonly referred to as below:

Headlamp / Low Beam or Full Beam : R2, HB3, HB4, H1, H3, H4, H7, D1S, D2S

Front Indicator : W21W, P21W, PY21W

Side Indicator : W5W, WY5W

Rear Indicator : W16W, W21W, P21W, PY21W, H21W

Parking/ Marker Light : W3W, W5W, T4W, R5W, H6W

Fog Light : HB3, HB4, H1, H3, H7

Reverse : W21/W, P21W, W21/5W, P21/5W

Brake Light/Taillight : P21/4W, W21/5W, P21/5W, W21W, P21W, W5W, T4W, R5W, R10W, C5W, P21/4W, P21W

Rear Fog Light : P21/4W, W21W, P21W, W21/5W, P21/5W

Number Plate Light : W5W, T4W, R5W, R10W, C5W

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