The Enviromotive DPF Cleaning System is backed by a 12-month limited warranty from the date of purchase. This warranty covers the replacement of parts that fail due to manufacturing defects or issues beyond the customer’s control. Any approved warranty parts will be shipped to the customer at no additional cost. Please note that damage resulting from misuse, neglect, or improper maintenance is not covered under this warranty. For further details or to initiate a warranty claim, please contact our support team at (800) 954-8265 | techsupport@Enviromotive.net