This is the turbo outlet pipe coupler for 2003-2009 Chevrolet Kodiak and GMC Topkick C4500, C6500, C7500, and C8500 and 2004-2007 T6500, T7500, and T8500 trucks equipped with the turbocharged engine. This is a brand new coupler manufactured by Thermopol for GM. This is a reinforced, blue rubber coupler. This coupler is a straight design that is 101mm long and has a 2.375" inner diameter (I.D).

GM part # 15020972

Item is number 17 in the GM diagram.