The Bosch 0444021086-01 urea diesel AdBlue injector is a true Bosch product and is now offered as a new part for compatible SCR exhaust control systems. This device injects AdBlue or diesel exhaust fluid into the exhaust treatment system, allowing the vehicle’s selective catalytic reduction system to function properly. When matched correctly, the injector ensures successful dosing for emissions control purposes. Make sure to verify the 0444021086-01 part number with the old injector before the purchase. To find a proper replacement, check the vehicle or engine application, existing part number, connector layout, and system specifications. The Bosch AdBlue injector part is suitable for replacement in diesel vehicles and equipment that needs a urea injection device. Always ensure proper fitment before doing the replacement.