This is a complete list of Federal-Mogul automotive supply locations. Federal-Mogul was a global automotive supplier based in Southfield, Michigan, USA. It was one of the leading engine-parts suppliers in the United States, including engine bearings, pistons, piston pins, piston rings, cylinder liners, valve seats and guides, transmission products, technical textiles and connecting rods. After being bought by Tenneco and converting all locations, this list is now closed.