content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001517040</cik>
            <ccc>XXXXXXXX</ccc>
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        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
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      <issuerInfo>
        <issuerCik>0001137091</issuerCik>
        <issuerName>POWER SOLUTIONS INTERNATIONAL, INC.</issuerName>
        <secFileNumber>001-35944</secFileNumber>
        <issuerAddress>
          <com:street1>201 MITTEL DRIVE</com:street1>
          <com:city>WOOD DALE</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60191</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>630-350-9400</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Winemaster Gary S</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>612187</noOfUnitsSold>
        <aggregateMarketValue>14646573.97</aggregateMarketValue>
        <noOfUnitsOutstanding>23007894</noOfUnitsOutstanding>
        <approxSaleDate>04/21/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/01/2011</acquiredDate>
        <natureOfAcquisitionTransaction>Founder Shares</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>612187</amountOfSecuritiesAcquired>
        <paymentDate>05/01/2011</paymentDate>
        <natureOfPayment>Not Applicable</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>201 Mittel Dr</com:street1>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Power Solutions International</securitiesClassTitle>
        <saleDate>01/21/2025</saleDate>
        <amountOfSecuritiesSold>17983</amountOfSecuritiesSold>
        <grossProceeds>662427.72</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>201 Mittel Dr</com:street1>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Power Solutions International</securitiesClassTitle>
        <saleDate>01/22/2025</saleDate>
        <amountOfSecuritiesSold>35000</amountOfSecuritiesSold>
        <grossProceeds>1426838.07</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>201 Mittel Dr</com:street1>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Power Solutions International</securitiesClassTitle>
        <saleDate>04/11/2025</saleDate>
        <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
        <grossProceeds>46547.80</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>04/21/2025</noticeDate>
        <signature>/s/ Heather Foxworth as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Winemaster Gary S</signature>
      </noticeSignature>
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text: 144
  0001517040
  XXXXXXXX
  LIVE
  0001137091
  POWER SOLUTIONS INTERNATIONAL, INC.
  001-35944
  201 MITTEL DRIVE
  WOOD DALE
  IL
  60191
  630-350-9400
  Winemaster Gary S
  10% Stockholder
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  612187
  14646573.97
  23007894
  04/21/2025
  NASDAQ
  Common
  05/01/2011
  Founder Shares
  Issuer
  N
  612187
  05/01/2011
  Not Applicable
  N
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  01/21/2025
  17983
  662427.72
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  01/22/2025
  35000
  1426838.07
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  04/11/2025
  2000
  46547.80
  04/21/2025
  /s/ Heather Foxworth as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Winemaster Gary S