7 Years Available
Isuzu Impulse Light Bulb Sizes
Complete bulb size reference for the Isuzu Impulse from 1985 to 1992. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Isuzu impulse changed low beam specifications across model years — 1988–1992: H6054 LED; 1985–1987: H4656 LED. Make sure to select your exact year below to get the right bulb size.
Year Range
1985 – 1992
7 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | H6054 LED(1988–1992) H4656 LED(1985–1987) | 7 years | Changed |
| High Beam | 74(1988–1992) H4651 LED(1985–1987) | 7 years | Changed |
| Fog Light | LED Fog Light(1985–1992) | 7 years | Consistent |
| Brake Light | 74(1988–1992) 158(1985–1987) | 7 years | Changed |
| Side Marker | 194 LED(1985–1992) | 7 years | Consistent |
| Turn Signal Front | 1157 LED(1985–1992) | 7 years | Consistent |
| Turn Signal Rear | 1157 LED(1988–1992) 1073 LED(1985–1987) | 7 years | Changed |
| Reverse Light | 1073(1985–1992) | 7 years | Consistent |
| License Plate | 194(1985–1992) | 7 years | Consistent |
| Parking Light | 1157(1985–1992) | 7 years | Consistent |
| Trunk Light | LED Light(1985–1992) | 7 years | Consistent |
| Dome Light | DE3022(1985–1987) | 3 years | Consistent |
Common Impulse Replacement Parts
Select Your Year
More from Isuzu
Frequently Asked Questions
We have bulb size data for the Isuzu Impulse from 1985 to 1992, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Isuzu Impulse changed low beam bulb specifications across generations: 1988–1992: H6054 LED; 1985–1987: H4656 LED. Make sure to check your exact year using the list below.
The Isuzu Impulse uses a H6054 LED bulb for the low beam and a 74 for the high beam, and a LED Fog Light for the fog lights. Select your year below for the exact fitment chart.
Yes. The Isuzu Impulse uses a H6054 LED 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.