4 Years Available
Subaru Rx Light Bulb Sizes
Complete bulb size reference for the Subaru Rx from 1985 to 1989. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Every Subaru rx from 1985 to 1989 uses the same 9004 low beam bulb — once you confirm your year is within this range, you only need one part number.
Year Range
1985 – 1989
4 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status |
|---|---|---|---|
| Turn Signal Front | 1156(1985–1989) | 4 years | Consistent |
| Side Marker | 194(1985–1989) | 4 years | Consistent |
| Low Beam | 9004(1985–1989) | 4 years | Consistent |
| Tail Light | 1157(1985–1989) | 4 years | Consistent |
| Reverse Light | 1156(1985–1989) | 4 years | Consistent |
| Brake Light | 1156(1986–1989) 1157(1985–1987) | 4 years | Changed |
| Turn Signal Rear | 1156(1985–1989) | 4 years | Consistent |
| License Plate | 194(1985–1989) | 4 years | Consistent |
| Trunk Light | 168(1985–1989) | 4 years | Consistent |
| Dome Light | DE3175(1985–1989) | 4 years | Consistent |
Common Rx Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Subaru Rx from 1985 to 1989, covering 4 model years. Select your year below for a complete position-by-position bulb chart.
No, the Subaru Rx has used the 9004 low beam bulb consistently across all 4 model years in our database. Any year in the 1985–1989 range uses the same bulb.
The Subaru Rx uses a 9004 bulb for the low beam. Select your year below for the exact fitment chart.
Yes. The Subaru Rx uses a 9004 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.