Spark Plugs: the numbers
Everything below is computed from the 15 curated spark plugs we track - no estimates, no third-party data.
15Curated models
1Brands
Brand share of the curated catalog
Where these numbers come from
Counts and brand totals are pulled from the curated spark plugs catalog on every build - the same data behind the Spark Plugs category page. Generic and unbranded listings are left out before anything is counted. Product data: updated 3 days ago.