-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 tdFc4OGGUGqlGZKwteBR+w==

<SEC-DOCUMENT>0000945836-08-000015.txt : 20080404
<SEC-HEADER>0000945836-08-000015.hdr.sgml : 20080404
<ACCEPTANCE-DATETIME>20080404154427
ACCESSION NUMBER:		0000945836-08-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080328
FILED AS OF DATE:		20080404
DATE AS OF CHANGE:		20080404

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENERTECK CORP
		CENTRAL INDEX KEY:			0001128353
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				910757753
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10701 CORPORATE DRIVE, SUITE 150
		CITY:			STAFFORD
		STATE:			TX
		ZIP:			77477
		BUSINESS PHONE:		(281)240-1787

	MAIL ADDRESS:	
		STREET 1:		10701 CORPORATE DRIVE, SUITE 150
		CITY:			STAFFORD
		STATE:			TX
		ZIP:			77477

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENERTECK CHEMICAL CORP
		DATE OF NAME CHANGE:	20031126

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLD BOND RESOURCES INC
		DATE OF NAME CHANGE:	20001115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Aman Gary Byron
		CENTRAL INDEX KEY:			0001336741

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31981
		FILM NUMBER:		08740447

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		281-263-7406

	MAIL ADDRESS:	
		STREET 1:		6119 APPLE VALLEY LANE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77069
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-03-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001128353</issuerCik>
        <issuerName>ENERTECK CORP</issuerName>
        <issuerTradingSymbol>ETCK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001336741</rptOwnerCik>
            <rptOwnerName>Aman Gary Byron</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6119 APPLE VALLEY LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77069</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-03-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>665500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-03-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>670000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Gary B. Aman</signatureName>
        <signatureDate>2008-04-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----