7 Years Available
Infiniti Qx4 Light Bulb Sizes
Complete bulb size reference for the Infiniti Qx4 from 1997 to 2003. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Infiniti qx4 changed low beam specifications across model years — 1997–1998: 9004; 2000: 9003; 1999: D2R. Make sure to select your exact year below to get the right bulb size.
Year Range
1997 – 2003
7 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Turn Signal Front | 7440(2001–2003) 1156(1997–1998) 1156A(2000–2000) 1156NA(1999–1999) | 7 years | Changed |
| High Beam | 9005(2001–2003) H1(1999–2000) 9004(1997–1998) | 7 years | Changed |
| Side Marker | 168(1997–2003) | 7 years | Consistent |
| Brake Light | 7443(2001–2003) 1157(1997–2000) 168(1998–1999) 7443CK(2002–2002) | 7 years | Changed |
| Tail Light | 7443CK(2000–2002) 1157(1997–1999) 7443(2003–2003) | 7 years | Changed |
| License Plate | 194(1999–2003) 168(1997–1998) | 7 years | Changed |
| Turn Signal Rear | 1156A(2000–2003) 1156(1997–1998) 1156NA(1999–1999) | 7 years | Changed |
| Parking Light | 168(1997–2003) 7444NA(1999–1999) | 7 years | Changed |
| Reverse Light | 1156(1997–2000) 921(2001–2003) | 7 years | Changed |
| Low Beam | 9004(1997–1998) 9003(2000–2000) D2R(1999–1999) | 4 years | Changed |
| Fog Light | H3(1998–1999) | 2 years | Consistent |
Common Qx4 Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Infiniti Qx4 from 1997 to 2003, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Infiniti Qx4 changed low beam bulb specifications across generations: 1997–1998: 9004; 2000–2000: 9003; 1999–1999: D2R. Make sure to check your exact year using the list below.
The Infiniti Qx4 uses a 9004 bulb for the low beam and a 9005 for the high beam, and a H3 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Infiniti Qx4 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.