Exhibit (23) Exhibit (23) * to Report On Form 10-K for Fiscal Year Ended June 30, 2002 By Parker-Hannifin Corporation Consent of Independent Accountants *Numbered in accordance with Item 601 of Regulation S-K CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Forms S-3 (Nos. 333-02761, 333-96453 and 333-88206) and S-8 (Nos. 33-53193, 33-43938, 2-66732, 333-95477 and 333-34542) of Parker-Hannifin Corporation of our report dated July 26, 2002 relating to the financial statements and financial statement schedule, respectively, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP - --------------------------------- Cleveland, Ohio August 14, 2002