<SEC-DOCUMENT>0001193125-22-071526-index.html : 20220310
<SEC-HEADER>0001193125-22-071526.hdr.sgml : 20220310
<ACCEPTANCE-DATETIME>20220310095109
ACCESSION NUMBER:		0001193125-22-071526
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20220310
DATE AS OF CHANGE:		20220310

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:	333-248443
		FILM NUMBER:		22727744

	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>424B5
<SEQUENCE>1
<FILENAME>d278048d424b5.htm
<DESCRIPTION>FORM 424B5
<TEXT>
Document 1 - file: d278048d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g278048g01n22.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g278048g01n22.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g278048g19g95.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g278048g19g95.jpg

</DOCUMENT>
</SEC-DOCUMENT>