Skip to main content
16 Years Available

GMC K2500 Suburban Light Bulb Sizes

Complete bulb size reference for the GMC K2500 Suburban from 1979 to 1999. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.

The GMC k2500-suburban changed low beam specifications across model years — 1981–1998: H6054; 1993–1999: 9006; 1982–1986: H4656; 1979–1980: H6024. Make sure to select your exact year below to get the right bulb size.

Year Range

19791999

16 model years

Most Common Low Beam

H6054

Shop on Amazon →

Bulb Sizes Across Years

PositionBulb Type(s)YearsStatus / Shop
Low Beam
H6054(19811998)
9006(19931999)
H4656(19821986)
H6024(19791980)
16 yearsChanged
Fog Light
881(19981999)
2 yearsConsistent
High Beam
9005(19921999)
H4651(19821986)
H6024(19791980)
H6054(19811981)
16 yearsChanged
Side Marker
194(19921999)
168(19791986)
16 yearsChanged
Turn Signal Rear
3157CK(19921999)
1157(19791982)
3057(19931996)
12 yearsChanged
Tail Light
3157CK(19921999)
1157(19791982)
12 yearsChanged
Reverse Light
3156(19921999)
1156(19791986)
16 yearsChanged
License Plate
194(19921999)
8 yearsConsistent
Brake Light
1157(19791982)
3157CK(19921999)
921(19941997)
3057(19931996)
12 yearsChanged
Map Light
168(19921999)
8 yearsConsistent
Turn Signal Front
1157A(19791982)
3157CK(19921992)
5 yearsChanged
Parking Light
1157A(19791982)
3157CK(19921992)
5 yearsChanged

Common K2500 Suburban Replacement Parts

Select Your Year

Frequently Asked Questions

We have bulb size data for the GMC K2500-Suburban from 1979 to 1999, covering 16 model years. Select your year below for a complete position-by-position bulb chart.

Yes, the GMC K2500-Suburban changed low beam bulb specifications across generations: 1981–1998: H6054; 1993–1999: 9006; 1982–1986: H4656; 1979–1980: H6024. Make sure to check your exact year using the list below.

The GMC K2500-Suburban uses a H6054 bulb for the low beam and a 9005 for the high beam, and a 881 for the fog lights. Select your year below for the exact fitment chart.

Yes. The GMC K2500-Suburban uses a H6054 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.

Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.