The former Cleveland Police Authority Chairman, David McLuckie, told reporters outside Newcastle Crown Court that he was "delighted" to be cleared of intimidating a witness.
Earlier this year the 52-year-old local councillor was jailed for eight months for persuading a friend to accept his speeding points, to protect his career.
He is still on police bail in relation to another investigation, called Operation Sacristy.
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The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.