Denso 18-5AU Spark Plug

Specs, cross-brand equivalents, vehicle fitment, and live prices for the Denso 18-5AU.

Denso
18-5AU
BrandDenso
MetalCopper
Heat18

The Denso 18-5AU is a gasket seat, heat range 18, copper electrode spark plug. These specifications are decoded from the Denso part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.

Cross-reference equivalents

BrandPartMetalBuy
DensoM22Copper Buy

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