Doc's Return / Refund Policy
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.
View Our Official Limited Warranty Policy
Thank you!