Where Can I Buy Dexos Motor Oil?

WestEnd61/N.A/Getty Images

Automotive repair shops, parts stores and other retail stores are among the primary sources to purchase dexos® motor oil. Dexos is a General Motors oil product specification that the company says car owners must use or risk invalidating their warranties, according to Edmunds.com; the Magnuson-Moss Warranty Act does offer protection.

ADVERTISEMENT