U.S. SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported) April 28, 2003

                      WILSON GREATBATCH TECHNOLOGIES, INC.
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             (Exact name of registrant as specified in its charter)

           Delaware                        1-16137               16-1531026
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(State or other jurisdiction      (Commission File Number)      (IRS Employer
      of incorporation)                                      Identification No.)

 10,000 Wehrle Drive, Clarence, New York                            14031
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(Address of principal executive offices)                          (Zip Code)

        Registrant's telephone number, including area code (716) 759-6901

                                 Not Applicable
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          (Former name or former address, if changed since last report)




ITEM 9. REGULATION FD DISCLOSURE

     On April 28, 2003,  Wilson  Greatbatch  Technologies,  Inc.  issued a press
     release  announcing  the  Company's  earnings for the fiscal  quarter ended
     April 3, 2003.  A copy of the release is  furnished  with this report as an
     exhibit pursuant to Item 12 under Item 9 of this Form 8-K.




                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.

Dated: April 28, 2003                     WILSON GREATBATCH TECHNOLOGIES, INC.

                                              By: /s/ Lawrence P. Reinhold
                                                  ------------------------------
                                                  Lawrence P. Reinhold
                                                  Executive Vice President and
                                                  Chief Financial Officer
                                                  (Principal Accounting Officer)




EXHIBIT
NUMBER           DESCRIPTION
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99.1             Earnings Release of Wilson Greatbatch Technologies, Inc. dated
                 April 28, 2003.