Kenworth C500 Headlight Bulb Size

The Kenworth C500 headlight bulb specifications include high beam sizes H4651 and H5001, along with low beam sizes H4652, H4656, and H5006 for this heavy-duty truck model. The replacement chart covers 1981 through 1997 production years with corresponding bulb size data.

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

High Beam Headlight

YearsBulb Size
1984-1997H4651
1981-1983H5001

Low Beam Headlight

YearsBulb Size
1994-1997H4652
1992-1993H4656
1990-1991H4652
1989H4656
1988H4652
1985-1987H4656
1984H4652
1981-1983H5006

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.H4651
ANSI standard (US & Canada). 4-inch square sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.H5001
ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit, variant of H4651. Not a replaceable bulb — the entire unit is replaced. 12V.H4652
ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.H4656
ANSI standard (US & Canada). 5.75-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V.H5006

Other Locations

Additional Notes