*Begins on May 8, 2016 and ends on July 2, 2016. NO PURCHASE NECESSARY. Purchase of product or service will not increase your chances of winning. Open to legal residents of the fifty (50) United States, the District of Columbia and Puerto Rico who are at least eighteen (18) years of age or older and who are AutoZone Commercial customers responsible for the management of the AutoZone commercial account for his/her business (excluding the following accounts: Bridgestone / Firestone company-owned locations [including Tires Plus and Firestone locations], CarMax, Diamond, Goodyear, Goodyear Corporate, Jiffy Lube/Heartland, L2, Monro, National Auto Care, Sears, Warrantech, Public sector accounts (including NIPA, WSCA, TCPN and federal accounts]) who are in good credit standing as of the date of entry. Void in US territories and possessions located outside of the 50 United States, the District of Columbia, Puerto Rico and wherever prohibited or restricted by law. For complete details, including Official Rules, visit AutoZonePro.com. Sponsored by AutoZone Parts, Inc. Qualifying purchases include 1) Buy 5 or more AC Complete JOB Kits and Receive a 30 OZ Tumbler plus earn an entry into the AutoZone "Keep It Cool" Sweepstakes! 2) Buy 4 or more COOLING BUNDLES (RADIATOR, HOSE, THERMOSTAT) and Receive a 30 OZ Tumbler plus earn an entry into the AutoZone "Keep It Cool" Sweepstakes! 3) Buy 4 or more WATER PUMP KITS and Receive a 30 OZ Tumbler plus earn an entry into the AutoZone "Keep It Cool" Sweepstakes! One Grand Prize winner will be selected to win the AutoZone "Keep It Cool" Sweepstakes GRAND PRIZE.