Our GM Genuine Parts Original Equipment thermostats cover a range of designs and temperature ratings to meet your needs. We also offer GM Genuine Parts Original Equipment gas/fuel caps, radiator caps, and ACDelco Original Equipment oil filler/breather caps for your replacement needs. All of our product offerings are designed, engineered, tested, and backed by GM to deliver the quality you expect.
Unavailable online or prefer to purchase in-store? Find the GM Genuine Parts and ACDelco parts you need at a GM Dealership or authorized Auto Parts Store near you.
†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. Visit your my GM Partner Perks dashboard or see gmpartsrebates.com for complete details, eligible parts, and rebate form, which must be postmarked by 7/15/21. Offers end 6/30/21.