GMC K2500 Sierra headlight bulb size by year

The low beam, high beam and fog light bulbs for every GMC K2500 Sierra from 1992. Pick your year to jump straight to it. Each answer links to the page in GMC’s owner’s manual it came from.

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1992

GMC K2500 Sierra bulb sizes at a glance

Years	Low beam	High beam
1992	—	9005

Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.

1992 GMC K2500 Sierra headlight bulbs

Light	Bulb	Notes
High beam	9005 also sold as HB3	Halogen (composite) headlamps Two sources

Where this comes from (1 source)

Philips Classic Car Lighting Catalog 1946-2002, p. 304 and GMC parts catalogue (gmpartsgiant): part 1999437 = 9005

Buy bulbs for your 1992 GMC K2500 Sierra

Recommended9005 standard replacement

Same light as the original bulb, at the lowest price. Fits your high beam.

Amazon AutoZone Advance Auto O’Reilly Walmart

More 9005 options: brighter halogen, long life, LED upgrade

Brighter halogenPerformance halogen bulbs throw more light down the road. They usually wear out sooner.
Amazon AutoZone Advance Auto Parts O’Reilly Auto Parts Walmart
Long lifeBuilt to last longer between changes. A good pick for high-beam and fog sockets you use often.
Amazon AutoZone Advance Auto Parts O’Reilly Auto Parts Walmart
LED upgradeWhiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Amazon AutoZone Advance Auto Parts O’Reilly Auto Parts Walmart

Always double-check the size printed on the old bulb’s base before you buy. See how we source our data. More GMC models.