Warranty coverage is based on months and/or mileage, whichever comes first, and begins on the invoiced date of installation by an authorized GM dealer or by a qualified Independent Service Center (ISC).
For all other “over-the-counter” sales installed by the purchaser, the warranty period begins on the invoiced date of purchase.
For more detailed warranty information, download the GM Powertrain Warranty sheet here.
General Motors Company (“GM”) warrants to the purchaser for the time and/or mileage indicated that it will repair or replace, at its option, any GM Parts Service Replacement Engine, Engine Component, Transmission/Transaxle, Transmission Component, Transfer Case or Short Block Assembly that fails due to a defect in material or workmanship. GM will use new or remanufactured parts for repair or replacement.
To retain the safety and dependability built into this product, it is essential that your product receives the scheduled maintenance at the recommended intervals contained in your vehicle Owner’s Manual/ Maintenance Schedule or GM Chevrolet Performance Engine Instruction Sheet. Since emissions-related components vary by model and engine application, you should follow the emissions maintenance recommendations also contained in your vehicle’s manuals. Maintenance services should be performed by an authorized GM dealer or other qualified Independent Service Center (ISC).