Exhibit31.2

CertificationPursuant To Section 302 Of TheSarbanes-Oxley Act Of 2002(Chapter 63, Title 18 U.S.C. Section1350(A) And (B))

I, JeffreyStafeil, certify that:

| 1. | I havereviewed this quarterly report on Form 10-Q of MetaldyneCorporation; |
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| 2. | Based on my knowledge, thisreport does not contain any untrue statement of a material fact or omitto state a material fact necessary to make the statements made, inlight of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report; |
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| 3. | Based on my knowledge, the financialstatements, and other financial information included in this report,fairly present in all material respects the financial condition,results of operations and cash flows of the registrant as of, and for,the periods presented in this report; |
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| 4. | The registrant's other certifyingofficer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules13a-15(e) and 15d-15(e)) for the registrant and have: |
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|  | a) | Designed such disclosurecontrols and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure thatmaterial information relating to the registrant, including itsconsolidated subsidiaries, is made known to us by others within thoseentities, particularly during the period in which this report is beingprepared; |
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|  | b) | Evaluated the effectiveness of theregistrant's disclosure controls and procedures and presented inthis report our conclusions about the effectiveness of the disclosurecontrols and procedures, as of the end of the period covered by thisreport based on such evaluation; and |
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|  | c) | Disclosed inthis report any change in the registrant's internal control overfinancial reporting that occurred during the registrant's mostrecent fiscal quarter that has materially affected, or is reasonablylikely to materially affect, the registrant's internal controlover financial reporting; and |
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| 5. | The registrant's other certifyingofficer and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the registrant'sauditors and the audit committee of the registrant's board ofdirectors (or persons fulfilling the equivalent function): |
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|  | a) | All significant deficienciesand material weaknesses in the design or operation of internal controlover financial reporting which are reasonably likely to adverselyaffect the registrant's ability to record, process, summarize andreport financial information; and |
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|  | b) | Any fraud,whether or not material, that involves management or other employeeswho have a significant role in the registrant's internal controlover financial reporting. |
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| Date:November 10, 2003 |  | /s/ Jeffrey M.Stafeil                                                                                                  |
|                   |  | Jeffrey M. StafeilExecutiveVice President and Chief Financial Officer(Chief AccountingOfficer and AuthorizedSignatory) |
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