Quaker State® Oil Hotline
Technical Filter Hotline
For technical assistance or help identifying a filter application, please call Quaker State’s toll-free technical filter hotline at 1-800-BEST-OIL, Option 3. This service is available Monday through Friday from 8:00 a.m. to 7:00 p.m. and Saturdays from 9:00 a.m. to 5:00 p.m. EST.
Please call 1-866-707-6737 or visit the Shell Rebate Center (for Quaker State related promotions).
Contact a Representative
9 a.m. - 6 p.m., Mon. - Fri. EST