This Febi Bilstein Air Filter Housing Holder (part number 46044) is sold individually and weighs 0.012 kg. It features an inner diameter of 10 mm, a thickness of 19 mm, an outer diameter 1 of 25 mm, and an outer diameter of 40 mm. This part is designed as a holder for the air filter housing. It is compatible with MERCEDES-BENZ vehicles, specifically the ML270 W163 2.7D from 1999 to 2005, with engine code OM612.963, and replaces OEM part number A6040940085. The product is OE matching quality and should be installed by a competent individual. It is important to check compatibility with your vehicle before purchase.