Home Slickdeals Advance Auto Parts: Chevron Techron Complete Fuel System Cleaner 20oz for $6.99.... Slickdeals Advance Auto Parts: Chevron Techron Complete Fuel System Cleaner 20oz for $6.99. Free Shipping on Orders $25+. By ARCOM - 21 April 2020 105 0 SHARE Facebook Twitter Go to the deal page: Advance Auto Parts: Chevron Techron Complete Fuel System Cleaner 20oz for $6.99. Free Shipping on Orders $25+.