Warranty Service

Dear Customers,

Thank you for choosing injectors from dieselfuelinjectors.com . For the protection of your consumer rights, customers who have the valid purchase invoice of dieselfuelinjectors.com products will enjoy a long warranty period of our injector. The following information is the detail introduction of warranty services.

Common Rail injector’s Warranty Coverage
. After customers receive the injectors from dieselfuelinjectors.com within 15 days , customer can choose to replace or repair them if there is a performance failure with conditions of no appearance damage on the injectors’ surface.

. Each injector has 6-12 months warranty period, If there are any confirmed of injector’s performance problems after testing during the warranty period, customers can contact our salesmen to replace the same model or a reworked product with the same performance for free.

injector’s Problems That Out Of Warranty Coverage
.The warranty period has expired.

. injector failure caused by high temperature, high pressure, humidity, rain and snow, saline-alkali land, earthquake, and used in abnormal environment.

. injector damage caused by man-made reasons (throwing, strong magnetic field magnetization, set fire).

. injector failure or injector damage caused by non-injector design, technology, manufacturing, quality and other issues.

. injector failure due to system pressure exceeding system approved pressure..injector failure caused by system voltage exceeding approved voltage.

. injector failure caused by impurities (water, lead, aluminum powder, iron powder, sulfide) in the system fuel exceeding the standard requirements.

. injector failure caused by not installing according to the tightening torque specified in the vehicle engine maintenance manual (the tightening torque is too large or too small).

. injector failure caused by not following the installation angle specified in the injector maintenance manual.

. injector failure caused by not following the cleaning requirements specified in the injector maintenance maintenance manual.

. injector failure caused by failure to replace consumable parts as specified in the injector maintenance manual.