Spark Plugs Antitrust Litigation Direct Purchaser Class Action

This litigation relates to Spark Plugs purchased directly from a Defendant.

“Spark Plugs” refers to the engine components for delivering high electric voltage from the ignition system to the combustion chamber of an internal combustion engine. They ignite the compressed fuel/air mixture with an electric spark while containing combustion pressure within the engine. Spark Plugs have a basic manufacturing design composed primarily of a shell, an insulator, a center electrode and an external (ground) electrode.

Settlements with the NGK and DENSO Defendants, and a plan for distribution of the settlement funds, have been approved by the Court. To see documents relating to these settlements click here.

The Claims Administration process relating to these settlements is ongoing. Please click here if you have any questions concerning this litigation, or need any additional information.