2019 Lexus NX 300 Bulb Size

tl;dr: This bulb size chart lists compatible bulbs for your 2019 Lexus NX300 by fitment and function, saving you time when replacing headlights, turn signals, or interior lamps. I recommend checking both the chart and your owner's manual before ordering. Using the right bulb improves visibility and avoids electrical issues. Replacing bulbs in sequence—from exterior to interior—keeps diagnostics simple and helps you spot failing sockets or connectors early. Common gotchas include mismatched wattage and incorrect base types that cause fit or heat problems. Next steps: use the checklist on the chart, note sizes, and buy replacements from a trusted seller. Affiliate disclaimer: links may earn me a small commission at no extra cost to you; recommendations are based on experience and vehicle fitment.