Frequently Asked Questions
What is your warranty?
Doc’s Filters meet or exceed (OEM) Original Equipment Manufacturer’s requirements. New vehicle warranties stay in effect when Doc’s Filters are installed correctly and in conjunction to engine manufacturer’s recommendations.
Where are you located?
Bryan, Ohio
Where are your filters made?
Doc’s Filters has many prominent suppliers with over 40 years in the industry. Doc's Filters products are made in Taiwan, China, and USA. Doc’s Filters Fuel Filters are made in Taiwan. Doc’s Air, Oil, and Cabin Air Filters are made in China. Doc's Gas Treatment is made in the USA. Not all filters are made the same, as Doc’s uses a unique 3-layer media to ensure peak efficiency.
Why didn't I get a confirmation email?
Sometimes an email may get sent to your spam folder! So don’t forget to check that. If you need more help, don't hesitate to reach us at support@docsfilters.com.
How do I start a return?
If you are unhappy with your purchase for whatever reason, and it's within 30 days from your purchase, you can return your diesel filters back to us. Item has to be in new condition. Once filters are received, we will refund your money (minus price of return shipping) within 2-4 business days. We will refund to your original form of payment.
To start a return, visit our Returns Center.
