Tenneco ready to close on $5.4 billion acquisition of Carl Icahn's Federal-Mogul Tenneco ready to close on $5.4 billion acquisition of Carl Icahn's Federal-Mogul September 13, 2018 dzadmin Comments 0 Comment Tenneco’s shareholders approved proposals needed for the company’s $5.4 billion acquisition of longtime auto parts competitor Federal-Mogul from billionaire investor Carl Icahn.