EXHIBIT 3.13

                            CERTIFICATE OF AMENDMENT

                                       OF

                       CERTIFICATE OF LIMITED PARTNERSHIP

Pursuant to the provisions of Section 2.02 of the Texas Revised Limited
Partnership Act, the undersigned limited partnership desires to amend its
certificate of limited partnership and for that purpose submits the following
certificate of amendment.

     1.   The name of the limited partnership is Sunoco Partners Marketing &
Terminals L.P.

     2.   The certificate of limited partnership is hereby amended by striking
out Article Four thereof and by substituting in lieu of said Article the
following new Article:

     "4.  General Partner. The name and the business, residence or mailing
address of the general partner are:

               Sunoco Logistics Partners Operations GP LLC
               1801 Market Street
               Philadelphia, PA  19103"

Dated this 8th day of February, 2002.

                                        SUNOCO LOGISTICS
                                        PARTNERS OPERATIONS GP LLC
                                        Its General Partner

                                        By: /s/ David A. Justin
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                                        Name: David A. Justin
                                             ----------------------
                                        Title: Vice President
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