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  <TITLE> CSK Auto Corporation (Form: 8-K) </TITLE>
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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	January 29, 2006
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  	CSK Auto Corporation
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	&nbsp;
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  	Delaware
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  	001-13927
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  	86-0765798
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  _____________________<BR>
  	(State or other jurisdiction
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  _____________<BR>
  	(Commission
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  ______________<BR>
  	(I.R.S. Employer
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	&nbsp;&nbsp;
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  	645 E. Missouri Ave., Suite 400, Phoenix, Arizona
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  	85012
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  _________________________________<BR>
  	(Address of principal executive offices)
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  	&nbsp;
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  ___________<BR>
  	(Zip Code)
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  	Registrant&#146;s telephone number, including area code:
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  	&nbsp;
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  	602-265-9200
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
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  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  <B>
  	Item 8.01 Other Events.
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  On February 2, 2006, CSK Auto Corporation issued a press release announcing the acceleration of vesting of all unvested "underwater" stock options (stock options previously granted at prices above $15.90, the market price of the Company&#x2019;s stock on January 27, 2006) previously awarded to employees and executive officers, subject to certain restrictions imposed on the sale of such shares acquired by way of the exercise of accelerated options. The text of the press release is attached hereto as Exhibit 99.1.
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  	Item 9.01 Financial Statements and Exhibits.
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  (c) Exhibits<br><br>Exhibit No.    	        Description										<br>Exhibit 99.1	        - Press release dated February 2, 2006<br><br>
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  <BR><BR><BR><BR><P ALIGN="LEFT" STYLE="FONT-SIZE: 10PT">Forward Looking Statements <br><br>Portions of this filing may constitute &#x201C;forward-looking statements&#x201D; as defined by federal law.  Although the Company believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different.  Any such statements are made in reliance on the &#x201C;safe harbor&#x201D; protections provided under the Private Securities Reform Act of 1995.  Additional information about issues that could lead to material changes in the Company&#x2019;s performance is contained in the Company&#x2019;s filings with the Securities and Exchange Commission.<br></P><!-- PageBreak START -->
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  	SIGNATURES
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  	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.
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  	CSK Auto Corporation
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  	&nbsp;&nbsp;
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  <I>
  	February 2, 2006
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  	&nbsp;
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  <I>
  	By:
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  <I>
  	James B. Riley
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  	&nbsp;
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  <I>
  	Name: James B. Riley
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  	&nbsp;
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  <I>
  	Title: Senior Vice President Chief Financial Officer
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	Description
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  	99.1
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  	&nbsp;
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  Press release dated February 2, 2006
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_10009.htm", "description": "LIVE FILING", "secsgml_size_bytes": 10931}]
metadata_filer: {"company-data": {"conformed-name": "CSK AUTO CORP", "cik": "0001051848", "assigned-sic": "5531", "irs-number": "860765798", "state-of-incorporation": "DE", "fiscal-year-end": "0131"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-13927", "film-number": "06574705"}, "business-address": {"street1": "645 E MISSOURI AVENUE", "city": "PHOENIX", "state": "AZ", "zip": "85012", "phone": "6022659200"}, "mail-address": {"street1": "645 E MISSOURI AVENUE", "city": "PHOENIX", "state": "AZ", "zip": "85012"}}
text: CSK Auto Corporation (Form: 8-K)
  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):
  January 29, 2006
  CSK Auto Corporation
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  001-13927
  86-0765798
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  645 E. Missouri Ave., Suite 400, Phoenix, Arizona
  85012
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  602-265-9200
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 8.01 Other Events.
  On February 2, 2006, CSK Auto Corporation issued a press release announcing the acceleration of vesting of all unvested "underwater" stock options (stock options previously granted at prices above $15.90, the market price of the Company's stock on January 27, 2006) previously awarded to employees and executive officers, subject to certain restrictions imposed on the sale of such shares acquired by way of the exercise of accelerated options. The text of the press release is attached hereto as Exhibit 99.1.
  Item 9.01 Financial Statements and Exhibits.
  (c) Exhibits
  Exhibit No.    	        Description
  Exhibit 99.1	        - Press release dated February 2, 2006
  Forward Looking Statements
  Portions of this filing may constitute "forward-looking statements" as defined by federal law.  Although the Company believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different.  Any such statements are made in reliance on the "safe harbor" protections provided under the Private Securities Reform Act of 1995.  Additional information about issues that could lead to material changes in the Company's performance is contained in the Company's filings with the Securities and Exchange Commission.
  Top of the Form
  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 hereunto duly authorized.
  CSK Auto Corporation
  February 2, 2006
  By:
  James B. Riley
  Name: James B. Riley
  Title: Senior Vice President Chief Financial Officer
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  99.1
  Press release dated February 2, 2006