VERY IMPORTANT Other part choices also used - Check all aspects of our photo before Purchase.. Adblue Injector + Sensor. This is a high quality replacement part made in one of our approved factories using the latest technology and materials. All of our parts meet or exceed UK and European required specifications and we offer an unrivalled 5 year warranty for total piece of mind. Equivalent to Part Numbers: 0444021021 0444021015 0444021016 04440210. If you order before 12PM we'll dispatch same day from our UK warehouse. For guaranteed next day delivery please select this option at checkout. This product comes with free 365-day no quibble returns (UK only).