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  <xs:element id="lcii_DefinedContributionPlanDeferredCompensation" abstract="false" name="DefinedContributionPlanDeferredCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_NumberOfManufacturingFacilities" abstract="false" name="NumberOfManufacturingFacilities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lcii_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsDividendEquivalentsWeightedAverageGrantDateFairValue" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsDividendEquivalentsWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lcii_OptionTwoMember" abstract="true" name="OptionTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_WindowsandDoorsMember" abstract="true" name="WindowsandDoorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_DefinedContributionPlanAmountWithdrawn" abstract="false" name="DefinedContributionPlanAmountWithdrawn" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_BusinessCombinationConsiderationTransferredTrueUpPayment" abstract="false" name="BusinessCombinationConsiderationTransferredTrueUpPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_JPMorganChaseBankN.A.WellsFargoBankN.A.BankofAmericaN.A.and1stSourceBankMember" abstract="true" name="JPMorganChaseBankN.A.WellsFargoBankN.A.BankofAmericaN.A.and1stSourceBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_BusinessCombinationConsiderationTransferredHoldbackPaymentTerm" abstract="false" name="BusinessCombinationConsiderationTransferredHoldbackPaymentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lcii_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetOther" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetOther" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_NumberOfUnconsolidatedSubsidiaries" abstract="false" name="NumberOfUnconsolidatedSubsidiaries" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lcii_StockAwardsMember" abstract="false" name="StockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_OtherProductsMember" abstract="true" name="OtherProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_PropertyPlanAndEquipmentDepreciationAndAmortization" abstract="false" name="PropertyPlanAndEquipmentDepreciationAndAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_BusinessCombinationConsiderationTransferredSettlementOfReceivable" abstract="false" name="BusinessCombinationConsiderationTransferredSettlementOfReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentTotal" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_ScheduleOfDeferredStockUnitActivityTableTextBlock" abstract="false" name="ScheduleOfDeferredStockUnitActivityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lcii_JpmorganChaseBankAndWellsFargoBankMember" abstract="true" name="JpmorganChaseBankAndWellsFargoBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_ScheduleOfIndefiniteLivedIntangibleAssets1TableTextBlock" abstract="false" name="ScheduleOfIndefiniteLivedIntangibleAssets1TableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lcii_PurchasedResearchandDevelopmentMember" abstract="true" name="PurchasedResearchandDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageExerciseDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageExerciseDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lcii_FurnitureandMattressesMember" abstract="true" name="FurnitureandMattressesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_DefinedBenefitPlanPlanAssetsActuarialGainLoss" abstract="false" name="DefinedBenefitPlanPlanAssetsActuarialGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_BorrowingInterestRateOptionsAxis" abstract="true" name="BorrowingInterestRateOptionsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lcii_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuesInPeriodWeightedAverageIssueDateFairValue" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuesInPeriodWeightedAverageIssueDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lcii_OtherDebtMember" abstract="true" name="OtherDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_DebtInstrumentRedemptionAmountOfPrincipalHeldPercent" abstract="false" name="DebtInstrumentRedemptionAmountOfPrincipalHeldPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lcii_AftermarketSegmentMember" abstract="true" name="AftermarketSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lcii_BusinessCombinationConsiderationTransferredHoldbackPayment" abstract="false" name="BusinessCombinationConsiderationTransferredHoldbackPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lcii_FurrionMember" abstract="true" name="FurrionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_DeferredCompensationPercentageOfFundsInvested" abstract="false" name="DeferredCompensationPercentageOfFundsInvested" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lcii_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalents" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalents" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lcii_ChassisChassisPartsandSlideoutMechanismsMember" abstract="true" name="ChassisChassisPartsandSlideoutMechanismsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_ShelfLoanFacilityMember" abstract="true" name="ShelfLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_KasparRanchHandEquipmentLLCRanchHandMember" abstract="true" name="KasparRanchHandEquipmentLLCRanchHandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_TravelTrailerAndFifthWheelsMember" abstract="true" name="TravelTrailerAndFifthWheelsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageDividendEquivalent" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageDividendEquivalent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lcii_LetterOfCredit" abstract="false" name="LetterOfCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_DebtInstrumentAdditionalMarginInterestRate" abstract="false" name="DebtInstrumentAdditionalMarginInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lcii_ShippingAndHandlingCosts" abstract="false" name="ShippingAndHandlingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lcii_VeadaIndustriesIncMember" abstract="true" name="VeadaIndustriesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_AcquisitionsGoodwillAndOtherIntangibleAssetsDisclosureTextBlock" abstract="false" name="AcquisitionsGoodwillAndOtherIntangibleAssetsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lcii_GirardSystemsAndGirardProductsLLCMember" abstract="true" name="GirardSystemsAndGirardProductsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lcii_AdditionToNoncurrentAssets" abstract="false" name="AdditionToNoncurrentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
