15 Years Available
Jeep J20 Light Bulb Sizes
Complete bulb size reference for the Jeep J20 from 1974 to 1988. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Jeep j20 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 |
|---|---|---|---|
| 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 | 194(1980–1984) | 4 years | Consistent |
Common J20 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Jeep J20 from 1974 to 1988, covering 15 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Jeep J20 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 J20 uses a H6054 bulb for the low beam and a 194 for the high beam. Select your year below for the exact fitment chart.
Yes. The Jeep J20 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.