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Chevrolet / GMC · Vehicles

GM 5.3L engine replacement

Engine-block contamination in a selected 2024 vehicle cohort.

What may be covered

Engine replacement without charge for eligible vehicles.

Check your product

Certain 2024 Chevrolet Silverado 1500, Suburban and Tahoe; GMC Sierra 1500, Yukon and Yukon XL, with the 5.3L L84 engine. Campaign N242455301.

Coverage window

Coverage: Campaign through September 30, 2026.

Verify exact time at the official site.

Before you arrange service

The dealer must confirm an open campaign for your VIN, parts and repair-completion timing. Dealer inventory compensation in the bulletin is not money paid to vehicle owners.

Source and review

Read the official program terms (PDF)

Public terms reviewed . A review does not confirm individual eligibility or that service has been accepted. Manufacturer terms may change.