Wool Suit and Textile Trade Extension Act of 2004

Wool Suit and Textile Trade Extension Act of 2004 - Amends the Harmonized Tariff Schedule of the United States to extend the temporary duty suspensions on certain wool products through FY 2010. Reduces the temporary duty on certain worsted wool.

Modifies the limitation on the quantity of imported worsted wool fabrics through FY 2005.

Extends the: (1) duty refund required by the U.S. Customs Service to importing and nonimporting manufacturers of certain wool products during calendar year 2005; and (2) Wool Research, Development, and Promotion Trust Fund through December 31, 2010.

Requires the Secretary of Commerce to provide grants in FY 2005 through 2010 to manufacturers of certain worsted wool fabric.

Amends the Wool Products Labeling Act of 1939 to specify additional misbranded wool products.