Exhibit 23.1


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration
Statements and related Prospectuses of The Lubrizol Corporation of our reports
dated February 17, 2004, with respect to the consolidated financial statements
of Noveon International, Inc. and September 5, 2002, with respect to the
consolidated financial statements of BFGoodrich Performance Materials (a segment
of The BFGoodrich Company) included in The Lubrizol Corporation's Current Report
(Form 8-K) filed with the Securities and Exchange Commission on May 20, 2004 and
incorporated by reference in this Current Report (Form 8-K/A):


Registration
Number              Description                             Filing Date
------              -----------                             -----------

2-99983             1985 Stock Option Plan                  August 30, 1985

33-61091            Employees' Profit Sharing               July 19, 1995
                    and Savings Plan (401(k))

33-42211            1991 Stock Incentive Plan               August 19, 1991

333-42338           1991 Stock Incentive Plan               July 27, 2000

333-115662          Registration of $2,000,000,000          May 20, 2004
                    of Common Shares and Debt
                    Securities


/s/ Ernst & Young LLP

Cleveland, Ohio
July 29, 2004