10 Years Available
Isuzu I-Mark Light Bulb Sizes
Complete bulb size reference for the Isuzu I-Mark from 1981 to 1990. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Isuzu i-mark changed low beam specifications across model years — 1982–1986: 6052; 1987–1990: 9004; 1981: H6054. Make sure to select your exact year below to get the right bulb size.
Year Range
1981 – 1990
10 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | 6052(1982–1986) 9004(1987–1990) H6054(1981–1981) | 10 years | Changed |
| High Beam | 6052(1982–1986) 9004(1987–1990) H6054(1981–1981) | 10 years | Changed |
| Fog Light | H3(1988–1990) | 3 years | Consistent |
| Brake Light | BRAKE(1982–1986) 74(1988–1990) 1156(1987–1987) 1157(1981–1981) | 10 years | Changed |
| Side Marker | 194(1981–1990) | 10 years | Consistent |
| Turn Signal Front | 1073(1982–1986) 1157(1987–1990) | 9 years | Changed |
| Turn Signal Rear | 1073(1982–1990) | 8 years | Consistent |
| Reverse Light | 1073(1982–1990) | 8 years | Consistent |
| License Plate | 168(1987–1990) 194(1981–1981) | 5 years | Changed |
| Parking Light | 89(1982–1986) 1157(1987–1990) | 9 years | Changed |
| Tail Light | 1157(1981–1990) | 8 years | Consistent |
| Dome Light | DE3175(1985–1986) | 2 years | Consistent |
| Trunk Light | 158(1982–1984) DE3175(1985–1986) | 5 years | Changed |
Common I-Mark Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Isuzu I-Mark from 1981 to 1990, covering 10 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Isuzu I-Mark changed low beam bulb specifications across generations: 1982–1986: 6052; 1987–1990: 9004; 1981–1981: H6054. Make sure to check your exact year using the list below.
The Isuzu I-Mark uses a 6052 bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H3 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Isuzu I-Mark uses a 6052 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.