Each fuel metering unit will be test before senting,to keep sure all products work well. If you are interested in our Nitrogen Oxygen sensor,Common Rail Pressure Relief Valve,Fuel Pressure Sensor, you may wish to take a look. Quality Guarantee :1 year, and strictly in accordance with the standard quality inspection The products are 100% new and carefully packed. 1.Name: Fule metering valve Fuel measurement valve 2.Certification: CE, TS16949 3.Model NO.: 0928400764 4.Function: Control emissions in combustion environments 5.Application: BOSCH Mercedes-BENZ 6.Ciondition: 100% NEW 7.Weight(g): 194.8g 8.Deliverytime: 7-15 days 9.Packing: Neutral packing Customize according to customer needs