Home › Mercury › TopazMercury Topaz headlight bulb size by year The low beam, high beam and fog light bulbs for every Mercury Topaz from 1986–1994. Pick your year to jump straight to it. Each answer links to the page in Mercury’s owner’s manual it came from.
Mercury Topaz 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.
1986–1989 Mercury Topaz headlight bulbs Light Bulb Notes Low beam 9004 also sold as HB1
Halogen (composite) headlamps Two sources High beam 9004 also sold as HB1
Halogen (composite) headlamps Two sources
Where this comes from (1 source) Buy bulbs for your 1986–1989 Mercury Topaz Recommended 9004 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam, high beam.
More 9004 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.
1990–1994 Mercury Topaz headlight bulbs Light Bulb Notes Low beam 9004 also sold as HB1
Two sources High beam 9004 also sold as HB1
Two sources
Where this comes from (1 source) Buy bulbs for your 1990–1994 Mercury Topaz Recommended 9004 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam, high beam.
More 9004 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 Mercury models .