5 Years Available
Lexus Rx300 Light Bulb Sizes
Complete bulb size reference for the Lexus Rx300 from 1999 to 2003. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Lexus rx300 changed low beam specifications across model years — 2001–2003: D2R; 1999–2000: 9006. Make sure to select your exact year below to get the right bulb size.
Year Range
1999 – 2003
5 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | D2R(2001–2003) 9006(1999–2000) | 5 years | Changed |
| High Beam | 9005(1999–2003) | 5 years | Consistent |
| Fog Light | 9006(1999–2003) | 5 years | Consistent |
| Brake Light | 921(1999–2003) | 5 years | Consistent |
| Side Marker | 194(2001–2003) 168(1999–2000) | 5 years | Changed |
| Turn Signal Front | 7440(1999–2003) | 5 years | Consistent |
| Turn Signal Rear | 12496(2001–2003) 7440(1999–2000) | 5 years | Changed |
| Reverse Light | 7440(1999–2003) | 5 years | Consistent |
| Dome Light | DE3175(1999–2003) | 5 years | Consistent |
| License Plate | 168(1999–2003) | 5 years | Consistent |
| Trunk Light | DE3175(2000–2003) | 4 years | Consistent |
| Tail Light | 7443CK(1999–2002) 7443(2001–2003) | 5 years | Changed |
| Parking Light | 168(1999–2003) | 5 years | Consistent |
| Door Light | 168(1999–2003) | 5 years | Consistent |
Common Rx300 Replacement Parts
Select Your Year
More from Lexus
Frequently Asked Questions
We have bulb size data for the Lexus Rx300 from 1999 to 2003, covering 5 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Lexus Rx300 changed low beam bulb specifications across generations: 2001–2003: D2R; 1999–2000: 9006. Make sure to check your exact year using the list below.
The Lexus Rx300 uses a D2R bulb for the low beam and a 9005 for the high beam, and a 9006 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Lexus Rx300 uses a D2R 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.