Volkswagen Scirocco headlight bulbs utilize H4651 and H5001 sizes for high beam applications, while low beam functions require H4652, H4656, or H5006 bulb sizes. The replacement chart covers 1975 through 1988 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Volkswagen Scirocco uses sealed beam headlight units across all model years covered in the specifications. Sealed beam units integrate the filament, reflector, and lens into a single assembly, meaning the entire unit is replaced rather than an individual bulb.
All sealed beam types listed for the Scirocco operate on 12V and conform to ANSI standards applicable in the United States and Canada.
The H4651 and H4652 are both 4x6-inch rectangular sealed beam units, with the H4652 classified as a variant of the H4651. The H4651 serves the high beam function while the H4652 serves the low beam function, and the two are not interchangeable despite their close relationship.
The Volkswagen Scirocco (1982-1988) uses the H4651 for high beam and the H4652 for low beam, with the exception of the 1985 model year, which uses the H4656 for the low beam position instead of the H4652.
The H4656 is a 4x6-inch rectangular sealed beam unit and shares the same physical format as the H4651 and H4652, though it is a distinct ANSI type and is not a drop-in substitute for the H4652 in other model years.
The H5001 is a 4-inch square sealed beam unit used in the high beam position for the 1975-1981 Scirocco, while the H5006 is a 5.75-inch round sealed beam unit used in the low beam position for the same years. The two differ in both shape and size and are not interchangeable.
The transition from the H5001 and H5006 sealed beam types to the H4651 and H4652 rectangular units occurred between the 1981 and 1982 model years, reflecting a change in headlight housing format.
Because all units across both beam positions are sealed beam assemblies, fitment is determined by the specific ANSI type designation rather than by bulb socket compatibility.