Denso IW01-31 Spark Plug

Specs, cross-brand equivalents, vehicle fitment, and live prices for the Denso IW01-31.

The Denso IW01-31 is a 14mm thread, 19mm reach, gasket seat, heat range 01, iridium 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

Showing the 40 closest cross-references of 70 total interchangeable part numbers for this plug.

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