2000 Infiniti QX4 Bulb Size

Goal: This bulb size chart helps you quickly identify the correct replacement bulbs for a 2000 Infiniti QX4 so you avoid wrong fits, blown fuses, or dim lighting. It assumes you need bulb type, wattage, and socket information to make a confident purchase. The trade-off is between exact OEM matches and upgraded aftermarket options; both are shown where recommended. Prerequisites: have your vehicle year and trim confirmed, and access to existing bulbs or the owner’s manual for validation. Use the chart to cross-check headlight, turn signal, brake, and interior bulb types. Follow the chart values and match socket shape and wattage to prevent electrical issues. Validation and troubleshooting: if a bulb doesn’t fit, recheck the listed socket and compare part numbers. Note: some links on this page are affiliate links; I may earn a commission at no extra cost to you. This supports maintaining accurate charts and recommendations.