Stud, a double-ended threaded stud in the exhaust and turbocharger assembly, threaded M10 x 20 mm at one end and M10 x 13 mm at the other.

It provides a fixed, heat-resistant mounting point at the turbocharger and down-pipe joint to the exhaust manifold, against which a securing nut is tightened.

Used on 2.7L TDV6 (turbocharger mounting) and 4.4L V8 diesel (exhaust manifold) applications.