The Chevrolet Uplander high beam and low beam headlight bulbs both utilize an H11 size. The replacement chart covers 2005 to 2008 model years 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.
The Chevrolet Uplander uses the H11 bulb for both the high beam and low beam headlight positions across all listed model years, 2005-2008.
The H11 is a single-filament halogen bulb operating at 12 volts and 55 watts, making it a standard low-wattage halogen type suited for dedicated beam positions rather than dual-function applications.
The H11 bulb uses a PGJ19-2 base, which is a keyed, push-and-twist connector designed to prevent incorrect installation and ensure a secure fit in the housing.
The H11 is governed by ECE regulations, the lighting standards used across Europe and much of the world, and it also carries approval for use in the United States.
Because the Uplander uses the H11 in both the high beam and low beam positions, both circuits draw the same wattage and accept the same physical bulb, though the two positions remain electrically separate and are not interchangeable in function.
The single-filament design of the H11 means each bulb serves only one lighting function, which is why separate H11 units are required for the high beam and low beam positions rather than a single dual-filament bulb covering both.