POWER OF ATTORNEY
AND
CONFIRMING STATEMENT

KNOW ALL PERSONS BY THESE PRESENTS, that I hereby designate, appoint, and
constitute, and hereby confirm the designation, appointment and constitution of,
each of Maja Fabula, Jason M. Hollar, Paul D. Novas and Brandon B. Smith as my
true and lawful attorney-in-fact and agent, with full power of substitution, for
me and in my name, place and stead, in any and all capacities, to execute and
file on my behalf all Forms 3, 4 and 5 (including any amendments thereto) that I
may be required to file with the U.S. Securities and Exchange Commission (the
"SEC") and any stock exchange as a result of my direct or indirect ownership of,
or transactions in, securities of Tenneco Inc. or its subsidiary companies.  I
hereby further grant unto each said attorney-in-fact and agent all full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, fully to all intents and
purposes as I might or could do in person, hereby ratifying and confirming all
that each said attorney-in-fact and agent or my substitute or substitutes may
lawfully do or cause to be done by virtue of the power and authority granted
hereunder to each attorney-in-fact including, without limitation, the full power
and authority to apply for, change or otherwise access any codes or other
authorizations necessary to make the filings with the SEC.  The authority of
Maja Fabula, Jason M. Hollar, Paul D. Novas and Brandon B. Smith under this
Power of Attorney and Confirming Statement shall continue until I am no longer
required to file Forms 3, 4 and 5 with regard to my direct or indirect ownership
of or transactions in securities of Tenneco Inc. or its subsidiary companies.

I hereby acknowledge Maja Fabula, Jason M. Hollar, Paul D. Novas and Brandon B.
Smith are not assuming any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934, as amended.


Date:     November 30, 2017

Signed: Kenneth R. Trammell