Transmission Line Connector with a 3/8-18 in. Thread, 1990-2002 Chevrolet; 1990-2002 GMC; 1999-2000 Workhorse; 1999-2000 Workhorse Custom Chassis, Sold Individually|Dorman Products 800-603 800-603 Transmission Line Connector with a 3/8-18 in. Thread; 1990-2002 Chevrolet, 1990-2002 GMC, 1999-2000 Workhorse.