which oem uses variable intake manifold
1 Enter your model number to make sure this fits. 2  100% NEW Genuine OEM Engine Intake Manifold made by Pierburg. 3  Mercedes Benz OE # 2721402401 - (Also fits Dodge / Freightliner Sprinter 2500 / 3500 Gas)  This item is OEM made by Pierburg for Mercedes.