What is the GM Fuel Pump Class Action?

The GM Fuel Pump class action alleges that certain 2011–2016 Chevrolet Silverado and GMC Sierra trucks equipped with 6.6L Duramax diesel engines contain a defective high-pressure fuel injection pump known as the CP4 pump. The lawsuit claims that the CP4 pump is unreasonably fragile and prone to catastrophic failure, leading to potential engine shutdowns. It is further alleged that General Motors knowingly concealed this defect, resulting in economic damages to the vehicle owners.

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Who is eligible to get a payout in this class action?

Individuals who purchased a model year 2011–2016 Chevrolet Silverado or GMC Sierra equipped with a 6.6L Duramax diesel engine from a GM-authorized dealer in California, Florida, Illinois, Iowa, New York, Pennsylvania, or Texas between March 1, 2010, and September 13, 2024, are eligible for settlement benefits.


Is proof (or proof of purchase) required?

Yes, claimants are required to submit supporting documentation with their claim forms. This includes proof of purchase and, if applicable, proof of repair. Former owners who did not pay out of pocket for a CP4 repair must provide proof of sale.


How much money can I get?

The settlement provides for different compensation amounts:

  • Past Repairs: Class Members who paid out of pocket for CP4 fuel pump repairs may receive between $6,356 and $12,712, depending on the number of valid claims submitted.

  • Former Owners: Individuals who no longer own the vehicle and did not pay for a CP4 repair may receive between $400 and $800.

  • Future Repairs: The settlement offers a Partial Repair Reimbursement Program, reimbursing 50% of costs for CP4 fuel pump replacements and repairs performed at GM-authorized dealerships within 12 months from the date of Final Approval or until the vehicle reaches 200,000 miles, whichever occurs first.


How can I file a claim?

To file a claim, visit the official settlement website and submit the claim form along with the required documentation by the deadline, which is six months after Final Approval (potentially as early as July 21, 2025).


Settlement Administrator Site

CLAIM HERE


About Filing Settlement Claims


Please understand that submitting a settlement claim for payout with fraudulent information will result in the rejection of your claim form. By providing this information and attesting to its accuracy under oath, you acknowledge the potential legal consequences of perjury. It's important to recognize that such dishonest actions not only impact your own eligibility but also negatively affect those legitimately entitled to the benefits of the class action settlement. If you are unsure about your eligibility for this class action settlement, we encourage you to visit the official website of the class action administrator. It's important to note that ClaimClassActions.com serves as an informational resource only and is not affiliated with a class action administrator or a law firm.

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