<SEC-DOCUMENT>0001552000-17-000091-index.html : 20171219
<SEC-HEADER>0001552000-17-000091.hdr.sgml : 20171219
<ACCEPTANCE-DATETIME>20171219165609
ACCESSION NUMBER:		0001552000-17-000091
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20171215
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Unregistered Sales of Equity Securities
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171219
DATE AS OF CHANGE:		20171219

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MPLX LP
		CENTRAL INDEX KEY:			0001552000
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				270005456
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35714
		FILM NUMBER:		171264633

	BUSINESS ADDRESS:	
		STREET 1:		200 E. HARDIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840
		BUSINESS PHONE:		(419) 421-2159

	MAIL ADDRESS:	
		STREET 1:		200 E. HARDIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>mplx8-k121517.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: mplx8-k121517.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>ex101.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 2 - file: ex101.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>proposedfinalversion3pmm.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 3 - file: proposedfinalversion3pmm.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>proposedfinalversion3pmm001.jpg
<TEXT>
Document 4 - file: proposedfinalversion3pmm001.jpg

</DOCUMENT>
</SEC-DOCUMENT>