9 Years Available
GMC Suburban/jimmy Light Bulb Sizes
Complete bulb size reference for the GMC Suburban/jimmy from 1973 to 1982. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The GMC suburbanjimmy changed low beam specifications across model years — 1973–1980: H6024; 1982: H4656. Make sure to select your exact year below to get the right bulb size.
Year Range
1973 – 1982
9 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| High Beam | H6024(1973–1980) H4651(1982–1982) | 9 years | Changed |
| Low Beam | H6024(1973–1980) H4656(1982–1982) | 9 years | Changed |
| Side Marker | 168(1974–1982) 194(1973–1973) | 9 years | Changed |
| Turn Signal Front | 1157A(1979–1982) | 3 years | Consistent |
| Turn Signal Rear | 1157(1979–1982) | 3 years | Consistent |
| Tail Light | 1157(1979–1982) | 3 years | Consistent |
| Reverse Light | 1156(1979–1982) | 3 years | Consistent |
| Parking Light | 1157A(1979–1982) | 3 years | Consistent |
| Brake Light | 1157(1979–1982) | 3 years | Consistent |
Common Suburban/jimmy Replacement Parts
Select Your Year
More from GMC
Frequently Asked Questions
We have bulb size data for the GMC Suburbanjimmy from 1973 to 1982, covering 9 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the GMC Suburbanjimmy changed low beam bulb specifications across generations: 1973–1980: H6024; 1982–1982: H4656. Make sure to check your exact year using the list below.
The GMC Suburbanjimmy uses a H6024 bulb for the low beam (same bulb serves both high and low beam via dual filament). Select your year below for the exact fitment chart.
Yes. The GMC Suburbanjimmy uses a H6024 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.