H4 Halogen Automotive Light Bulb
Description
H4 (also designated as 9003 or HB2) is a dual-beam automotive bulb where a single bulb handles both your high and low headlight functions using a three-pin connection.
H4 (also designated as 9003 or HB2) is a dual-beam automotive bulb where a single bulb handles both your high and low headlight functions using a three-pin connection.
