Dodge Royal Headlight Bulb Size

Dodge Royal headlight bulb sizes include H5001, H6024, and H6006 for high beam applications, with H5006, H6024, and H6006 options for low beam configurations, representing the unique bulb specifications for this vehicle model. The replacement chart covers 1954 through 1959 production years and documents headlight bulb size specifications across that range.

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

High Beam Headlight

Years	Bulb Type	Shop
1957-1959	H5001	Check Price
1956	H6024	Check Price
1954-1955	H6006	Check Price

Low Beam Headlight

Years	Bulb Type	Shop
1957-1959	H5006	Check Price
1956	H6024	Check Price
1954-1955	H6006	Check Price

Bulb Specifications

Description	Type	Shop
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). 7-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H6024	Check Price
ANSI standard (US & Canada). 5x7-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H6006	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

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Additional Notes

The Dodge Royal headlight specifications across the 1954-1959 model years reference four distinct sealed beam unit types: H5001, H5006, H6006, and H6024. All four conform to ANSI standards recognized in both the United States and Canada, and all operate on a 12V electrical system.
Each of these four unit types is a sealed beam design, meaning the lens, reflector, and filament are fused into a single assembly. When a filament fails, the entire unit requires replacement rather than an internal bulb swap.
The H6006 is a 5x7-inch rectangular sealed beam unit. It appears in both the high beam and low beam positions for the 1954-1955 Dodge Royal, making it the only bulb type in these specifications to serve dual beam functions within the same model years.
The H6024 is a 7-inch round sealed beam unit. The 1956 Dodge Royal uses it for both the high beam and low beam positions, indicating a single-unit headlight system for that year rather than separate units for each beam function.
For 1957-1959, the Dodge Royal transitions to a two-unit headlight arrangement, with the H5001 handling the high beam and the H5006 handling the low beam. The H5001 is a 4-inch square sealed beam unit, while the H5006 is a 5.75-inch round sealed beam unit.
The H5001 and H5006 are not interchangeable with each other despite both being used on the same 1957-1959 vehicles. Their physical forms differ significantly, with one being a 4-inch square unit and the other a 5.75-inch round unit.
The H6006 and H6024 are also physically incompatible with one another. The H6006 is a rectangular 5x7-inch unit, while the H6024 is a 7-inch round unit, and substituting one for the other is not supported by the fitment data for any listed model year.
No single bulb type spans the full 1954-1959 range of the Dodge Royal. The H6006 covers 1954-1955, the H6024 covers 1956, and the H5001 and H5006 cover 1957-1959, reflecting distinct headlight system configurations across these model years.