4 Years Available
Mazda Rx-4 Light Bulb Sizes
Complete bulb size reference for the Mazda Rx-4 from 1974 to 1977. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Every Mazda rx-4 from 1974 to 1977 uses the same H5006 low beam bulb — once you confirm your year is within this range, you only need one part number.
Year Range
1974 – 1977
4 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| High Beam | H5001(1974–1977) | 4 years | Consistent |
| Low Beam | H5006(1974–1977) | 4 years | Consistent |
| Turn Signal Front | 1157(1974–1977) | 4 years | Consistent |
| Tail Light | 1157(1974–1977) | 4 years | Consistent |
| Reverse Light | 1156(1974–1977) | 4 years | Consistent |
| Brake Light | 1157(1974–1977) | 4 years | Consistent |
| Parking Light | 1157(1974–1977) | 4 years | Consistent |
| Turn Signal Rear | 1157(1974–1977) | 4 years | Consistent |
Common Rx-4 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Mazda Rx-4 from 1974 to 1977, covering 4 model years. Select your year below for a complete position-by-position bulb chart.
No, the Mazda Rx-4 has used the H5006 low beam bulb consistently across all 4 model years in our database. Any year in the 1974–1977 range uses the same bulb.
The Mazda Rx-4 uses a H5006 bulb for the low beam and a H5001 for the high beam. Select your year below for the exact fitment chart.
Yes. The Mazda Rx-4 uses a H5006 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.