7 Years Available
GMC C25/c2500 Suburban Light Bulb Sizes
Complete bulb size reference for the GMC C25/c2500 Suburban from 1967 to 1974. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The GMC c25c2500-suburban changed low beam specifications across model years — 1969–1972: H5006; 1973–1974: H6024. Make sure to select your exact year below to get the right bulb size.
Year Range
1967 – 1974
7 model yearsCommon C25/c2500 Suburban Replacement Parts
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Frequently Asked Questions
We have bulb size data for the GMC C25c2500-Suburban from 1967 to 1974, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the GMC C25c2500-Suburban changed low beam bulb specifications across generations: 1969–1972: H5006; 1973–1974: H6024. Make sure to check your exact year using the list below.
The GMC C25c2500-Suburban uses a H5006 bulb for the low beam and a H5001 for the high beam. Select your year below for the exact fitment chart.
Yes. The GMC C25c2500-Suburban uses a H5006 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.