Sparks Plugs Direct Purchaser Antitrust Settlement

Settlement Structure: Claims Made

Active: Closed

Closed Settlement Statement:

According to court documents, the claim submission deadline has passed. Please contact the claims administrator if you have any questions.

Case Summary:

This settlement is part of a very large case alleging that auto parts manufacturers engaged in collusion and price fixing for various components and parts used in making vehicles. This particular settlement resolves class actions against various Denso and NGK companies (including Denso Corporation and NGK Spark Plug Co., Ltd.) alleging that they engaged in collusion and price-fixing, causing direct purchasers to pay more for spark plugs than they otherwise would have.

Spark plugs are engine components that deliver high electric voltage from the ignition system to the combustion chamber of the engine.

Docket Number:

12-MD-02311; also 2:15-cv-03001-SFC-RSW and 2:15-cv-11774-SFC-RSW

Company: Denso Corporation

Filing Deadline: September 30, 2022

Class Period: January 1, 2000 to February 4, 2019

Objection Deadline: August 8, 2022

Exclusion Deadline: August 8, 2022

Final Approval Hearing: September 15, 2022

Proof of Purchase:

If records are available, you must base your purchase information on them. If not, you may base your purchase information on estimates. You may at a later time be required to provide some or all of the documentation to support your claim.


You may be eligible if you are an individual or entity who bought spark plugs in the US directly from one or more of the defendants (or their controlled subsidiaries, affiliates, or joint ventures) between January 1, 2000 and February 4, 2019.

The defendants include Denso Corporation; Denso International America, Inc.; Denso Products & Services Americas, Inc.; NGK Spark Plug Co., Ltd.; NGK Spark Plugs (USA) Holding, Inc.; NGK Spark Plugs (USA), Inc.; NTK Technologies, Inc.; Robert Bosch GmbH; Robert Bosch LLC; and their respective subsidiaries, affiliates, and joint ventures.

Typical Settlement Amount:

The net settlement fund will be distributed pro rata to class members, based on their direct purchases of spark plugs.

Total Settlement Amount: NGK $600,000; Denso $100,000

Class Representative Proposed Incentive Fee:


Law Firms:
Freed Kanner London & Millen LLC
Kohn Swift & Graf
Preti Flaherty Beliveau & Pachios LLP

Claim Form: Sparks Plugs Direct Purchaser Antitrust Settlement Claim Form


Settlement Website: Sparks Plugs Direct Purchaser Antitrust Settlement Website

Claims Administrator:
Epiq Class Action & Claims Solutions, Inc.

Claims Administrator Contact Information:

Spark Plugs Direct Purchaser Antitrust Litigation
P.O. Box 4655
Portland, OR 97208- 4655

Tags: Antitrust, Collusion and Price Fixing