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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        <filer>
          <filerCredentials>
            <cik>0001517040</cik>
            <ccc>XXXXXXXX</ccc>
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        <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>Gary S. Winemaster</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>10% Owner</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>100000</noOfUnitsSold>
        <aggregateMarketValue>2114000</aggregateMarketValue>
        <noOfUnitsOutstanding>23007894</noOfUnitsOutstanding>
        <approxSaleDate>04/11/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>05/01/2011</acquiredDate>
        <natureOfAcquisitionTransaction>Founder Shares</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>100000</amountOfSecuritiesAcquired>
        <paymentDate>05/01/2011</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>C/o Issuer</com:street1>
            <com:street2>201 Mittel Drive</com:street2>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>01/14/2025</saleDate>
        <amountOfSecuritiesSold>15181</amountOfSecuritiesSold>
        <grossProceeds>562470.23</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>C/o Issuer</com:street1>
            <com:street2>201 Mittel Drive</com:street2>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>01/21/2025</saleDate>
        <amountOfSecuritiesSold>17983</amountOfSecuritiesSold>
        <grossProceeds>662427.72</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>C/o Issuer</com:street1>
            <com:street2>201 Mittel Drive</com:street2>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>01/22/2025</saleDate>
        <amountOfSecuritiesSold>24900</amountOfSecuritiesSold>
        <grossProceeds>1011779.1</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Gary S. Winemaster</name>
          <address>
            <com:street1>C/o Issuer</com:street1>
            <com:street2>201 Mittel Drive</com:street2>
            <com:city>Wood Dale</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60191</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>01/22/2025</saleDate>
        <amountOfSecuritiesSold>9938</amountOfSecuritiesSold>
        <grossProceeds>408400.96</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>04/11/2025</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Gary S. Winemaster</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
  Gary S. Winemaster
  10% Owner
  Common Stock
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  100000
  2114000
  23007894
  04/11/2025
  NASDAQ
  Common Stock
  05/01/2011
  Founder Shares
  Issuer
  N
  100000
  05/01/2011
  N/A
  N
  Gary S. Winemaster
  C/o Issuer
  201 Mittel Drive
  Wood Dale
  IL
  60191
  Common Stock
  01/14/2025
  15181
  562470.23
  Gary S. Winemaster
  C/o Issuer
  201 Mittel Drive
  Wood Dale
  IL
  60191
  Common Stock
  01/21/2025
  17983
  662427.72
  Gary S. Winemaster
  C/o Issuer
  201 Mittel Drive
  Wood Dale
  IL
  60191
  Common Stock
  01/22/2025
  24900
  1011779.1
  Gary S. Winemaster
  C/o Issuer
  201 Mittel Drive
  Wood Dale
  IL
  60191
  Common Stock
  01/22/2025
  9938
  408400.96
  04/11/2025
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Gary S. Winemaster