2020 Porsche 718 Cayman Bulb Size

Decision: this bulb size chart identifies the common exterior and interior lamp types for the 2020 Porsche 718 Cayman to help you select compatible replacements efficiently. Constraints include variations in trim, optional lighting packages, and regional differences, which present an evidence-based limitation on one-size-fits-all recommendations. Options are listed by function (headlight, fog, turn, brake, interior) so you can compare bulb codes and wattages side by side, reducing hypothesis-driven guesswork when ordering. Interpretation of fitment is grounded in observed OEM specifications and common aftermarket equivalents. Recommendation: use the chart as a starting point and verify socket fit and polarity before installation. Affiliate disclaimer: some links on this page are affiliate links, which means I may earn a commission if you purchase through them at no extra cost to you. Risks include occasional packaging or spec changes, so double-check part numbers against your vehicle.