N3.0 series urea pump belongs to tank top installation structure, the pump and urea liquid level quality sensor integrated urea pump, the quality sensor module is independently installed in the bottom of the urea pump, used to measure the mass concentration of urea solution.The urea pump adopts big bayonet (101) connection form to be installed on the top of the urea tank, convenient and reliable installation, compact structure, especially suitable for compact vehicle space.