15 Years Available
Jeep J-10/j-20 Series Light Bulb Sizes
Complete bulb size reference for the Jeep J-10/j-20 Series from 1974 to 1988. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Jeep j-10j-20-series changed low beam specifications across model years — 1979–1988: H6054; 1974–1978: H6024. Make sure to select your exact year below to get the right bulb size.
Year Range
1974 – 1988
15 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Turn Signal Front | 1157(1979–1988) | 10 years | Consistent |
| Side Marker | 194(1974–1988) | 15 years | Consistent |
| Low Beam | H6054(1979–1988) H6024(1974–1978) | 15 years | Changed |
| Parking Light | 1157(1979–1988) | 10 years | Consistent |
| Turn Signal Rear | 1157(1979–1988) | 10 years | Consistent |
| Reverse Light | 1156(1979–1988) | 10 years | Consistent |
| Brake Light | 1157(1979–1987) 1156(1988–1988) | 10 years | Changed |
| Tail Light | 1157(1979–1987) 1156(1988–1988) | 10 years | Changed |
| High Beam | H6054(1979–1988) H6024(1974–1978) | 15 years | Changed |
Common J-10/j-20 Series Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Jeep J-10j-20-Series from 1974 to 1988, covering 15 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Jeep J-10j-20-Series changed low beam bulb specifications across generations: 1979–1988: H6054; 1974–1978: H6024. Make sure to check your exact year using the list below.
The Jeep J-10j-20-Series uses a H6054 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 Jeep J-10j-20-Series 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.