<SEC-DOCUMENT>0001193125-19-237170-index.html : 20190904
<SEC-HEADER>0001193125-19-237170.hdr.sgml : 20190904
<ACCEPTANCE-DATETIME>20190904084816
ACCESSION NUMBER:		0001193125-19-237170
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20190904
DATE AS OF CHANGE:		20190904

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-220267
		FILM NUMBER:		191073384

	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>
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<SEQUENCE>1
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<TEXT>
Document 1 - file: d788631d424b5.htm

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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g788631g01n22.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g788631g01n22.jpg

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<SEQUENCE>3
<FILENAME>g788631g04_32.jpg
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<TEXT>
Document 3 - file: g788631g04_32.jpg

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