Exhibit 22.1

LIST OF GUARANTOR SUBSIDIARIES

The following subsidiaries of Tenneco Inc. (the "Company") were, as of March 31, 2020, guarantors of the Company's 5.375% senior unsecured notes due December 15, 2024 and 5% senior unsecured notes due July 15, 2026 (collectively, the “Senior Unsecured Notes”):

Guarantors of the Senior Unsecured Notes

Tenneco Automotive Operating Company Inc.

Tenneco International Holding Corp.

Tenneco Global Holdings Inc.

The Pullman Company

TMC Texas Inc.

Clevite Industries Inc.

Federal-Mogul Motorparts LLC

Federal-Mogul Powertrain LLC

Federal-Mogul Financing Corporation

Federal-Mogul Piston Rings, LLC

Federal-Mogul Powertrain IP LLC

Federal-Mogul Ignition LLC

Felt Products MFG Co. LLC

Federal-Mogul Valve Train International LLC

Federal-Mogul Sevierville, LLC

Muzzy-Lyon Auto Parts LLC

Federal-Mogul Chassis LLC

Federal-Mogul Filtration LLC

Federal-Mogul World Wide LLC

Carter Automotive Company LLC

Beck Arnley Holdings LLC

F-M Motorparts TSC LLC

F-M TSC Real Estate Holdings LLC

Federal-Mogul Products US LLC