Quality high wattage headlight bulb for all H4 applications. H4 bulbs are used primarily in our Bright Lights Headlight Upgrade Kit or

H4 55/100 watt headlight bulb for all headlight housings that use H4 bulbs.     Note:  1986-91 square headlight vans used 9004 bulbs for the outer lights and H3 bulbs for the...

H4 55/100 watt headlight bulb   Please note: When receiving these bulbs, DO NOT touch the bulb glass directly with your fingers as the oils from our hands can remain on the glass and heat up so...

This is the original wattage bulb for Vanagons with square 9004 headlights. 1986-1991 models 45/65 watt bulb for the low beam (outer) headlight. The original Volkswagen part number is N10066601.Ref...