All DIESELPOWER products are covered by a three year replacement warranty to the original purchaser with proof of purchase.

Vehicle warranty cannot be voided by the manufacturer when the installed components has the following certifications: ABE, e1 certification and TÜV.

The vehicle manufacturer must repair or replace any failed component under the terms of the warranty at their expense, unless they can prove the aftermarket component caused the failure.
(Auto Bild No. 41/15.10.2010)