Jaguar XJ6 Headlight Bulb Size

The Jaguar XJ6 high beam headlight uses a 9005 or H5001 bulb size, while the low beam headlight requires a 9006 or H5006 bulb size. The replacement chart covers vehicle production spanning 1972 to 1997 with corresponding bulb specifications.

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
1990-1997	9005	HB3	Check Price
1972-1989	H5001	H5001	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
1990-1997	9006	HB4	Check Price
1972-1989	H5006	H5006	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Single-filament halogen bulb with P20d base. 12V, 65W.	9005	Check Price
ANSI standard (US & Canada). 4-inch square sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H5001	Check Price
ANSI standard (US & Canada). Single-filament halogen bulb with P22d base. 12V, 55W.	9006	Check Price
ANSI standard (US & Canada). 5.75-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H5006	Check Price

Other Locations

Additional Notes

The Jaguar XJ6 high beam headlight position uses two distinct bulb types across its model range: the H5001 sealed beam unit for 1972-1989, and the 9005 halogen bulb for 1990-1997.
The 9005 is a single-filament halogen bulb rated at 12V and 65W, fitted with a P20d base, and it conforms to the ANSI standard applicable in the United States and Canada.
The 9006 low beam halogen bulb is rated at 12V and 55W and uses a P22d base. Although the 9005 and 9006 share the same voltage rating, their wattage and base types differ, making them non-interchangeable.
The H5001 is a 4-inch square sealed beam unit operating at 12V. The entire assembly is replaced as a single unit rather than a filament or bulb within it.
The H5006, used in the low beam position for 1972-1989, is a 5.75-inch round sealed beam unit also operating at 12V and replaced as a complete assembly.
The H5001 and H5006 sealed beam units are physically distinct from each other in both shape and size, meaning the high beam and low beam positions on 1972-1989 XJ6 models require separate, non-interchangeable sealed beam assemblies.
All four bulb types listed in the specifications conform to ANSI standards for the United States and Canada, indicating regional standardization rather than global fitment.
The transition from sealed beam units to replaceable halogen bulbs in the Jaguar XJ6 occurred between the 1989 and 1990 model years, affecting both the high beam and low beam positions simultaneously.