Volvo WH Headlight Bulb Size

The Volvo WH headlight bulb size specifications include 9004 and H6024 bulb sizes for both high beam and low beam applications. The replacement chart covers vehicle production years from 1996 to 1997.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

High Beam Headlight

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

Years	US Type	EU Type	Shop
1996-1997	9004 (With Halogen Capsule Headlamps)	HB1	Check Price
1996-1997	H6024 (With Sealed Beam Headlamps)	H6024	Check Price

Low Beam Headlight

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

Years	US Type	EU Type	Shop
1996-1997	9004 (With Halogen Capsule Headlamps)	HB1	Check Price
1996-1997	H6024 (With Sealed Beam Headlamps)	H6024	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Dual-filament halogen bulb with P29t base. 12V, 65W/45W.	9004	Check Price
ANSI standard (US & Canada). 7-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H6024	Check Price

Other Locations

Additional Notes

The Volvo WH covered the 1996-1997 model years across both high beam and low beam headlight positions, with each year offering two distinct headlamp system configurations: halogen capsule and sealed beam.
The 9004 is a dual-filament halogen bulb operating at 12V with a wattage rating of 65W on the high beam filament and 45W on the low beam filament, fitted with a P29t base. Its dual-filament design is the reason it serves both the high beam and low beam positions within a single housing.
Because the 9004 handles both beam functions through separate filaments in one bulb, vehicles equipped with halogen capsule headlamps on the Volvo WH use the same bulb size for both the high beam and low beam positions.
The H6024 is a 7-inch round sealed beam unit conforming to ANSI standards applicable in the United States and Canada. Unlike the 9004, it is not a replaceable bulb; the entire sealed unit is replaced when the light source fails.
Both the 9004 and H6024 conform to ANSI standards for the US and Canadian markets, indicating these specifications are region-specific and may differ from headlamp configurations intended for other markets.
The two headlamp systems on the Volvo WH are not interchangeable. The halogen capsule system accepts the 9004 bulb, while the sealed beam system requires the H6024 unit, and the correct replacement type is determined by which system the vehicle was originally built with.