Yellow-housing variant of the H4-2A ceramic headlamp bulb socket: a 3-pin ceramic socket for H4 (9003 / HB2) dual-filament headlight bulbs, with a yellow plastic housing, white ceramic insert and a 3-wire pigtail.
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, yellow plastic 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 (by analogy with H4-2A; not separately verified for the Y variant)
Body: Ceramic insert + yellow plastic housing
Leads: Pre-wired 3-wire pigtail, about 10 cm (from a dimension-labelled seller photo; not independently verified)