Chevrolet P30 Headlight Bulb Size

The Chevrolet P30 high beam headlight uses an H6054 bulb size, while low beam headlights require an H4703 bulb size, with lower and upper headlight positions utilizing H4651, H4652, and H4652 bulb sizes respectively. The replacement chart covers vehicle production years spanning 1995 to 1999 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.

High Beam Headlight

Years	Bulb Type	Shop
1995-1996	H6054	Check Price

Low Beam Headlight

Years	Bulb Type	Shop
1995-1996	H4703	Check Price

Lower Headlight

Years	Bulb Type	Shop
1998-1999	H4651 (For Vehicle With Motor Home Forward Control Chassis (12-32), For Vehicle With Dual Rectangular Headlamps (HPR))	Check Price
1998-1999	H4652 (For Vehicle With Motor Home Forward Control Chassis (12-32), For Vehicle With Single Headlamp)	Check Price
1997	H4651 (For Vehicle With Dual Rectangular Headlamps (HPR))	Check Price
1997	H4652 (For Vehicle With Motor Home Forward Control Chassis (32), For Vehicle With Single Headlamp)	Check Price
1995-1996	H4651 (For Vehicle With Motor Home Forward Control Chassis (32), For Vehicle With Dual Rectangular Headlamps (HPR))	Check Price
1995-1996	H4652 (For Vehicle With Motor Home Forward Control Chassis (32), For Vehicle With Single Headlamp)	Check Price

Upper Headlight

Years	Bulb Type	Shop
1995-1999	H4652	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). 5x7-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H6054	Check Price
ANSI standard (US & Canada). 7-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H4703	Check Price
ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.	H4651	Check Price
ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit, variant of H4651. Not a replaceable bulb — the entire unit is replaced. 12V.	H4652	Check Price

Other Locations

Additional Notes

The Chevrolet P30 uses four distinct sealed beam unit types across its headlight positions: H6054, H4703, H4651, and H4652. All four conform to ANSI standards recognized in both the United States and Canada and operate at 12V.
All bulb types listed for the P30 are sealed beam units, meaning the entire lens-reflector-filament assembly is replaced as one piece rather than a separate bulb being swapped out of a housing.
The H6054 is a 5x7-inch rectangular sealed beam unit assigned to the High Beam Headlight position on the Chevrolet P30 for the 1995-1996 model years.
The H4703 is a 7-inch round sealed beam unit and serves as the Low Beam Headlight for the 1995-1996 model years. Its round form factor distinguishes it from every other sealed beam type in these specifications, which are all rectangular.
The H4651 and H4652 are both 4x6-inch rectangular sealed beam units, with H4652 designated as a variant of H4651. Despite sharing the same physical format, the two are not interchangeable across all fitments on the P30.
For the Lower Headlight position, the H4651 applies specifically to vehicles equipped with Dual Rectangular Headlamps (HPR), while the H4652 applies to vehicles equipped with a Single Headlamp configuration. Selecting the wrong type based on headlamp configuration would result in an incorrect fitment.
The Motor Home Forward Control Chassis designation, referenced in the Lower Headlight fitment notes, narrows applicability further. For 1997, the H4651 carries no chassis code qualifier, while the H4652 specifies chassis code 32. For 1998-1999, both H4651 and H4652 reference chassis codes 12-32, broadening the range compared to earlier years.
The H4652 is the only bulb type that appears across all five model years (1995-1999) in the specifications and occupies both the Upper Headlight position for all those years and portions of the Lower Headlight position, making it the most widely used sealed beam unit in this fitment data.