The alphanumeric string adopted by “spark plug cross reference” designates a technique of figuring out equal spark plugs from totally different producers. The “4106j” portion doubtless represents a selected half quantity assigned by a selected spark plug producer. The general phrase describes the motion of discovering alternative spark plugs from different manufacturers that match the specs and efficiency traits of the unique “4106j” plug. For instance, a person trying to find a substitute for a “4106j” plug would possibly use a cross-reference chart or on-line software to search out appropriate choices from manufacturers like NGK, Bosch, or Denso.
This identification course of is important for a number of causes. Primarily, it permits car house owners and mechanics to supply spark plugs when the unique half is unavailable or when a special model is most well-liked. It presents flexibility in selecting elements based mostly on worth, availability, or perceived efficiency advantages. Traditionally, cross-referencing spark plugs grew to become more and more vital with the proliferation of auto producers and the varied vary of engine designs requiring particular ignition elements. It ensures correct engine perform, prevents potential injury, and might optimize gas effectivity.
