3-pin ceramic headlamp bulb socket for H4 (9003 / HB2) dual-filament headlight bulbs - separate circuits for high beam, low beam and ground in one housing. White ceramic insert in an orange or black plastic housing, with a 3-wire pigtail and 7.8 mm terminals.
Who Is This Product For?
Headlamp bulb socket replacement
H4 headlight harness repair
Key Selling Points
Ceramic bulb socket for H4 / 9003 / HB2 dual-filament bulbs
7.8 mm terminals
White ceramic insert, orange or black housing
3-wire pigtail
Typical Applications
H4 headlamp bulbs
Headlight harness repair
Basic Specifications
Positions: 3
Bulb fitment: H4 / 9003 / HB2 (dual-filament: high + low beam)
Terminal size: 7.8 mm (per seller listing)
Terminal material: Tin-plated brass (per supplier guide; not independently verified)
Body: Ceramic insert + orange or black plastic housing
Leads: Pre-wired 3-wire pigtail (wire gauge/length not verified)