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...

Headlight adjuster for 1986-1991 Vanagons with the square/rectangle headlight set up.  This adjuster fits the lower position on the outermost rectangle light and controls vertical adjustment...

This is the fixed adjuster and is simply a pivot piece for the square high-beam light found on 1986-91 Vanagons. Ref ID: 255941133A