Warranty Service

Dear Customers,

Thank you for choosing injection nozzles from dieselinjectionnozzle.com. For the protection of your consumer rights, customers who have a valid purchase invoice of dieselinjectionnozzle.com products will enjoy a long warranty period for our injection nozzle. The following information is a detailed introduction to warranty services.

Common Rail Diesel Injection Nozzle’s Warranty Coverage

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

. Each injection nozzle has a 6-12 months warranty period, If there are any confirmed nozzle 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.

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

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

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

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

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

. Injection nozzle failure is 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).

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

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

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