Warranty Service

Dear Customers,

Thank you for choosing injector nozzles from liweinozzle.com . For the protection of your consumer rights, customers who have the valid purchase invoice of liweinozzle.com products will enjoy the following services:

 Common Rail Liwei Injector Nozzle’s Warranty Coverage

. After customers receive the injector nozzles from liweinozzle.com within 15 days , customer can choose to replace it or repair it if there is a performance failure with conditions of no appearance damage on the nozzles’ surface.

. Each injector nozzle has 6-12 months warranty period, If there are any confirmed of valve set’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 Nozzle’s Problems That Out Of Warranty Coverage

.The warranty period has expired.

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

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

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

. Injector nozzle failure due to system pressure exceeding system approved pressure..Injector nozzle failure caused by system voltage exceeding approved voltage.

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

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

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

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