<SEC-DOCUMENT>0000763744-17-000289.txt : 20171122
<SEC-HEADER>0000763744-17-000289.hdr.sgml : 20171122
<ACCEPTANCE-DATETIME>20171122170927
ACCESSION NUMBER:		0000763744-17-000289
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171120
FILED AS OF DATE:		20171122
DATE AS OF CHANGE:		20171122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mereness Scott T
		CENTRAL INDEX KEY:			0001307217

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13646
		FILM NUMBER:		171220583

	MAIL ADDRESS:	
		STREET 1:		C/O LIPPERT COMPONENTS, INC.
		STREET 2:		2766 COLLEGE AVENUE
		CITY:			GOSHEN
		STATE:			IN
		ZIP:			46528

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LCI INDUSTRIES
		CENTRAL INDEX KEY:			0000763744
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				133250533
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3501 COUNTY ROAD 6 EAST
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46514
		BUSINESS PHONE:		5745351125

	MAIL ADDRESS:	
		STREET 1:		3501 COUNTY ROAD 6 EAST
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46514

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREW INDUSTRIES INC
		DATE OF NAME CHANGE:	20161220

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREW INDUSTRIES Inc
		DATE OF NAME CHANGE:	20150408

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREW INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151138855413948.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000763744</issuerCik>
        <issuerName>LCI INDUSTRIES</issuerName>
        <issuerTradingSymbol>LCII</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001307217</rptOwnerCik>
            <rptOwnerName>Mereness Scott T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LCI INDUSTRIES</rptOwnerStreet1>
            <rptOwnerStreet2>3501 COUNTY ROAD 6 EAST</rptOwnerStreet2>
            <rptOwnerCity>ELKHART</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>46514</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2948</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>210772</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2947.36</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2017-11-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-11-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2948.0</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>63005.23</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 45 deferred stock units received as a result of regular cash dividends of $0.50 per share paid on March 17, 2017, June 2, 2017 and September 1, 2017 to holders of registrant's common stock on March 6, 2017, May 19, 2017 and August 18, 2017, respectively. In accordance with the registrant's Equity Award and Incentive Plan, holders of deferred stock units received additional deferred stock units equivalent to $0.50 per deferred stock unit held on March 6, 2017, May 19, 2017 and August 18, 2017, respectively.</footnote>
        <footnote id="F2">Each Deferred Stock Unit represents a contingent right to receive one share of LCII Common Stock.</footnote>
        <footnote id="F3">Includes 955.1 deferred stock units received as a result of regular cash dividends of $0.50 per share paid on March 17, 2017, June 2, 2017 and September 1, 2017 to holders of registrant's common stock on March 6, 2017, May 19, 2017 and August 18, 2017, respectively. In accordance with the registrant's Equity Award and Incentive Plan, holders of deferred stock units received additional deferred stock units equivalent to $0.50 per deferred stock unit held on March 6, 2017, May 19, 2017 and August 18, 2017, respectively.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Brian M. Hall on behalf of Scott T. Mereness</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
