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Exhibit 5

CERTIFICATION 
REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a)

I, Edward G. Frackowiak, Executive Chairman and
Interim Chief Executive Officer of Wescast Industries, Inc., certify that:

1. I have reviewed this annual report on Form
  40-F of Wescast Industries, Inc.;
2. Based on my knowledge, this report does not
  contain any untrue statement of a material fact or omit to state a material
  fact necessary to make the statements made, in light of the circumstances
  under which such statements were made, not misleading with respect to the
  period covered by this report;
3. Based on my knowledge, the financial
  statements, 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 issuer as of, and for, the periods presented
  in this report;
4. The issuer's other certifying
  officer and I are responsible for establishing and maintaining disclosure
  controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
  15d-15(e)) for the issuer and have:Designed such disclosure controls and
    procedures, or caused such disclosure controls and procedures to be designed
    under our supervision, to ensure that material information relating to the
    issuer, including its consolidated subsidiaries, is made known to us by
    others within those entities, particularly during the period in which this
    report is being prepared;
    Evaluated the effectiveness of the
    issuer's disclosure controls and procedures and presented in this report our
    conclusions about the effectiveness of the disclosure controls and
    procedures, as of the end of the period covered by this report based on such
    evaluation; and
    Disclosed in this report any change in the
    issuer's internal control over financial reporting that occurred during the
    period covered by the annual report that has materially affected, or is
    reasonably likely to materially affect, the issuer's internal control over
    financial reporting; and
5. Designed such disclosure controls and
    procedures, or caused such disclosure controls and procedures to be designed
    under our supervision, to ensure that material information relating to the
    issuer, including its consolidated subsidiaries, is made known to us by
    others within those entities, particularly during the period in which this
    report is being prepared;
6. Evaluated the effectiveness of the
    issuer's disclosure controls and procedures and presented in this report our
    conclusions about the effectiveness of the disclosure controls and
    procedures, as of the end of the period covered by this report based on such
    evaluation; and
7. Disclosed in this report any change in the
    issuer's internal control over financial reporting that occurred during the
    period covered by the annual report that has materially affected, or is
    reasonably likely to materially affect, the issuer's internal control over
    financial reporting; and
8. The issuer's other certifying officer and I
  have disclosed, based on our most recent evaluation of internal control over
  financial reporting, to the issuer's auditors and the audit committee of the
  issuer's board of directors (or persons performing the equivalent functions):All significant deficiencies and material
    weaknesses in the design or operation of internal control over financial
    reporting which are reasonably likely to adversely
9. All significant deficiencies and material
    weaknesses in the design or operation of internal control over financial
    reporting which are reasonably likely to adversely

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affect the issuer's ability to record,
    process, summarize and report financial information; and
  Any fraud, whether or not material, that
    involves management or other employees who have a significant role in the
    issuer's internal control over financial reporting.

|Date: May 3, 2004 | 
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CERTIFICATION 
REQUIRED BY RULE 13a-14(a) OR RULE 15d-14(a)I, Gordon E. Currie, Vice President and Chief
Financial Officer of Wescast Industries, Inc., certify that:
I have reviewed this annual report on Form
  40-F of Wescast Industries, Inc.;
  Based on my knowledge, this report does not
  contain any untrue statement of a material fact or omit to state a material
  fact necessary to make the statements made, in light of the circumstances
  under which such statements were made, not misleading with respect to the
  period covered by this report;
  Based on my knowledge, the financial
  statements, 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 issuer as of, and for, the periods presented
  in this report;
  The issuer's other certifying
  officer and I are responsible for establishing and maintaining disclosure
  controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
  15d-15(e)) for the issuer and have:Designed such disclosure controls and
    procedures, or caused such disclosure controls and procedures to be designed
    under our supervision, to ensure that material information relating to the
    issuer, including its consolidated subsidiaries, is made known to us by
    others within those entities, particularly during the period in which this
    report is being prepared;
    Evaluated the effectiveness of the
    issuer's disclosure controls and procedures and presented in this report our
    conclusions about the effectiveness of the disclosure controls and
    procedures, as of the end of the period covered by this report based on such
    evaluation; and
    Disclosed in this report any change in the
    issuer's internal control over financial reporting that occurred during the
    period covered by the annual report that has materially affected, or is
    reasonably likely to materially affect, the issuer's internal control over
    financial reporting; and
  The issuer's other certifying officer and I
  have disclosed, based on our most recent evaluation of internal control over
  financial reporting, to the issuer's auditors and the audit committee of the
  issuer's board of directors (or persons performing the equivalent functions):All significant deficiencies and material
    weaknesses in the design or operation of internal control over financial
    reporting which are reasonably likely to adversely affect the issuer's
    ability to record, process, summarize and report financial information; and

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> Any
>     fraud, whether or not material, that involves management or other employees
>     who have a significant role in the issuer's internal control over financial
>     reporting.

|Date: May 3, 2004 | 
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