UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    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): July 19, 2005


                            O'REILLY AUTOMOTIVE, INC.


             (Exact Name of Registrant as Specified in Its Charter)


         Missouri                                      44-0618012
--------------------------------------------------------------------------------
(State or Other Jurisdiction                  (IRS Employer Identification No.)
     of Incorporation) 

                                233 S. Patterson
                           Springfield, Missouri 65802
--------------------------------------------------------------------------------
               (Address of Principal Executive Offices)(Zip Code)


                                  417-862-6708
--------------------------------------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)


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


ITEM 7.01 REGULATION FD DISCLOSURE

     The press  release is attached  hereto as Exhibit 99.1 and is  incorporated
herein by reference.


                                    SIGNATURE

     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 hereunto duly authorized.

Date:  July 21, 2005
                                     O'REILLY AUTOMOTIVE, INC.

                                     By:/s/ James R. Batten               
                                     -------------------------------------------
                                     James R. Batten
                                     Executive Vice President of Finance
                                      Chief Financial Officer and Treasurer
                                      (principal financial officer)



                                  EXHIBIT INDEX

Exhibit 
Number         Description
------         -----------------------------------------------------------------

 99.1          Press Release dated July 19, 2005



FOR IMMEDIATE RELEASE

For further information contact:                         Greg Henslee
                                                         James R. Batten
                                                         (417) 862-3333
________________________________________________________________________________

             O'REILLY AUTOMOTIVE, INC. ANNOUNCES 2005 SECOND QUARTER
                      EARNINGS RELEASE AND CONFERENCE CALL
________________________________________________________________________________

Springfield,  MO,  July 19, 2005 - O'Reilly  Automotive,  Inc.  (the  "Company")
(Nasdaq:  ORLY)  announced the release date for second  quarter 2005 earnings as
Tuesday,  July 26, 2005,  with a conference call to follow  Wednesday,  July 27,
2005.

The Company's  second  quarter 2005  earnings  will be released  after 5:30 p.m.
central time on Tuesday,  July 26, 2005, and can be viewed, at that time, on the
Company's website at www.oreillyauto.com by clicking on "News".
 
Investors are invited to listen to the Company's  conference call discussing the
financial  results for the second  quarter of 2005,  on July 27, 2005,  at 10:00
a.m. central time, via webcast on the Company's  website at  www.oreillyauto.com
by  clicking  on  "News".  A replay of the call will  also be  available  on the
Company's website following the conference call.

O'Reilly  Automotive,  Inc.  is  one  of  the  largest  specialty  retailers  of
automotive aftermarket parts, tools, supplies,  equipment and accessories in the
United  States,  serving  both the  do-it-yourself  and  professional  installer
markets.  Founded in 1957 by the O'Reilly  family,  the Company  operated  1,286
stores  within the states of  Alabama,  Arkansas,  Florida,  Georgia,  Illinois,
Indiana, Iowa, Kansas, Kentucky,  Louisiana,  Mississippi,  Missouri,  Nebraska,
North Carolina,  Oklahoma, South Carolina,  Tennessee,  Texas and Virginia as of
March 31, 2005.