4 Years Available
Dodge D400 Light Bulb Sizes
Complete bulb size reference for the Dodge D400 from 1978 to 1981. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Dodge d400 changed low beam specifications across model years — 1979–1980: H4656; 1981: H6054; 1978: H6024. Make sure to select your exact year below to get the right bulb size.
Year Range
1978 – 1981
4 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Low Beam | H4656(1979–1980) H6054(1981–1981) H6024(1978–1978) | 4 years | Changed |
| Turn Signal Front | 1157(1979–1981) 1157A(1978–1978) | 4 years | Changed |
| Side Marker | 194(1978–1981) | 4 years | Consistent |
| Reverse Light | 1156(1979–1981) | 3 years | Consistent |
| Brake Light | 1157(1979–1981) | 3 years | Consistent |
| Parking Light | 1157(1979–1981) 1157A(1978–1978) | 4 years | Changed |
| Turn Signal Rear | 1157(1979–1981) | 3 years | Consistent |
| Tail Light | 1157(1979–1981) | 3 years | Consistent |
| High Beam | H4651(1979–1980) | 2 years | Consistent |
Common D400 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Dodge D400 from 1978 to 1981, covering 4 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Dodge D400 changed low beam bulb specifications across generations: 1979–1980: H4656; 1981–1981: H6054; 1978–1978: H6024. Make sure to check your exact year using the list below.
The Dodge D400 uses a H4656 bulb for the low beam and a H4651 for the high beam. Select your year below for the exact fitment chart.
Yes. The Dodge D400 uses a H4656 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.