Home › GMC › L vanGMC L van headlight bulb size by year The low beam, high beam and fog light bulbs for every GMC L van from 1999. Pick your year to jump straight to it. Each answer links to the page in GMC’s owner’s manual it came from.
GMC L van bulb sizes at a glance Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
1999 GMC L van headlight bulbs Light Bulb Notes Low beam 9006 also sold as HB4
Halogen Composite Low beam H6054 Halogen Sealed Beam High beam 9005 also sold as HB3
Halogen Composite High beam H6054 Halogen Sealed Beam
Where this comes from (1 source) Buy bulbs for your 1999 GMC L van 9006 low beam H6054 low beam, high beam 9005 high beam
Recommended 9006 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam.
More 9006 options: brighter halogen, long life, LED upgrade Brighter halogen Performance halogen bulbs throw more light down the road. They usually wear out sooner.
Long life Built to last longer between changes. A good pick for high-beam and fog sockets you use often.
LED upgrade Whiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Recommended H6054 standard sealed beam
A direct replacement for the original headlight unit. Fits your low beam, high beam.
More H6054 options: LED sealed beam Recommended 9005 standard replacement
Same light as the original bulb, at the lowest price. Fits your high beam.
More 9005 options: brighter halogen, long life, LED upgrade Brighter halogen Performance halogen bulbs throw more light down the road. They usually wear out sooner.
Long life Built to last longer between changes. A good pick for high-beam and fog sockets you use often.
LED upgrade Whiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Always double-check the size printed on the old bulb’s base before you buy. See how we source our data . More GMC models .