2020 Jaguar XF Bulb Size

tl;dr: This bulb size chart lists OEM and compatible bulbs for a 2020 Jaguar XF, organized by lifecycle stage from replacement to end-of-life. Recommendation: use the OEM numbers first, then match specifications if upgrading to LED or higher-output halogen. Impact: correct sizing preserves lighting performance, avoids CAN-bus errors, and keeps inspections simple. Risks: wrong bulbs can trigger warnings, reduce visibility, or damage housings—gotchas include polarity-sensitive LEDs and adapters that may not fit. Next steps: consult the chart’s checklist, pick parts by socket and lumen rating, and follow your workshop manual for installation. Affiliate disclaimer: some links earn me a commission at no extra cost to you; I recommend products I would use professionally.