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            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
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        <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>140786</noOfUnitsSold>
        <aggregateMarketValue>2728600.00</aggregateMarketValue>
        <noOfUnitsOutstanding>22969234</noOfUnitsOutstanding>
        <approxSaleDate>08/30/2024</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>140786</amountOfSecuritiesAcquired>
        <paymentDate>05/01/2011</paymentDate>
        <natureOfPayment>n/a</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>07/23/2024</saleDate>
        <amountOfSecuritiesSold>5795</amountOfSecuritiesSold>
        <grossProceeds>67187.18</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>07/24/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>231960.60</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>07/25/2024</saleDate>
        <amountOfSecuritiesSold>30000</amountOfSecuritiesSold>
        <grossProceeds>352011.93</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>07/26/2024</saleDate>
        <amountOfSecuritiesSold>19335</amountOfSecuritiesSold>
        <grossProceeds>230450.76</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>07/29/2024</saleDate>
        <amountOfSecuritiesSold>9870</amountOfSecuritiesSold>
        <grossProceeds>118459.06</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>07/30/2024</saleDate>
        <amountOfSecuritiesSold>3906</amountOfSecuritiesSold>
        <grossProceeds>50309.28</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>09/03/2024</noticeDate>
        <signature>/s/ Daniel Gardea 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
  140786
  2728600.00
  22969234
  08/30/2024
  NASDAQ
  Common
  05/01/2011
  Founder Shares
  Issuer
  N
  140786
  05/01/2011
  n/a
  N
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  07/23/2024
  5795
  67187.18
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  07/24/2024
  20000
  231960.60
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  07/25/2024
  30000
  352011.93
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  07/26/2024
  19335
  230450.76
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  07/29/2024
  9870
  118459.06
  Gary S. Winemaster
  201 Mittel Dr
  Wood Dale
  IL
  60191
  Power Solutions International
  07/30/2024
  3906
  50309.28
  09/03/2024
  /s/ Daniel Gardea as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Winemaster Gary S.