Champion 401 Spark Plug

Specs, cross-brand equivalents, vehicle fitment, and live prices for the Champion 401.

The Champion 401 is a 17.5mm reach spark plug, pre-gapped to 0.039. These specifications are decoded from the Champion 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 245 total interchangeable part numbers for this plug.

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