For more information about Shell engine oil and lubricant products such as Rotella, Pennzoil, and Quaker State, please visit Shell Oil/Lubricants. You may also contact the Shell Lubricants department by calling:
Phone number: 1-877-536-6324
Email: consumerorders-us@shell.com
Our lines are open Mondays through Fridays, from 9:00 AM - 6:00 PM CST excluding public holidays.