Here we have a stock used exhaust manifold for a 6.2L Diesel.  It is used.  No cracks or problems noted upon visual inspection.   Removed from a 1983-1987 K30.  May fit others, please check your application. This is the Passenger side see our other listing here: 6.2L Exhaust Manifold, driver for the Driver’s side.   Note, a stock photo is shown, it represents but may not be the actual part.   Note 2:  We remove the exhaust studs.  This makes it easy for you to install new without having to worry about breakage!