^†Retail customers with a U.S. mailing address only. Rebate valid on minimum purchase of four spark plugs and maximum of 16 spark plugs per household. Allow 6 to 8 weeks for delivery of rebate check. See acdelco.com or gmpartsrebates.com for details and rebate form, which must be postmarked by 10/31/21. Offer ends 9/30/21.

^†Mail-in rebate available only to Independent Service Centers, Body Shops, or Commercial Fleets with a U.S. mailing address. Limit 15 rebates per business. Not available with some other offers. Government and municipal fleets are excluded. Allow 6 to 8 weeks from promotion end date for delivery of Visa^® Prepaid Card. Visa Prepaid Card will be issued in the business name. My GM Partner Perks members that have accepted the terms and conditions receive streamlined, automatic rebate redemptions. Visit your my GM Partner Perks dashboard or see gmpartsrebates.com for complete details, eligible parts, and rebate form, which must be postmarked or submitted online by 10/15/21. Offers end 9/30/21.