2021 Toyota Prius Prime Bulb Size

tl;dr: This bulb size chart lists the correct lamp types for a 2021 Toyota Prius Prime, saving time when replacing headlights, turn signals, or interior bulbs. As a technician, I recommend checking the chart before ordering to avoid returns and fitment issues. Recommendation: Use the chart as your checklist during lifecycle maintenance. Impact: You’ll reduce downtime, mismatches, and extra trips to the store. Risks: Bulb choices affect visibility and electrical load; incorrect selections can cause flicker or premature failure. Gotchas: some trim packages use different bulbs, so verify your exact model. Next steps: Use the chart, match part numbers, and follow installation instructions. Affiliate note: Links on this page may earn a small commission at no extra cost to you, supporting maintenance guides and updates.