The product is a tested OEM front passenger seatbelt buckle for a Mercedes-Benz W126 model from 1979 to 1991. It is a black vintage part with a specific OE/OEM part number 1268604096 or 126 860 0496, designed for universal fitment on the front of the vehicle. This seatbelt buckle is not a performance part and comes as a single piece in the pack.