This is the turbo outlet pipe for 2004-2009 Chevrolet Kodiak and GMC Topkick C4500 trucks. This is for those trucks equipped with the 6.6L Duramax turbo diesel engine (Code LLY). This is the solid metal intercooler, turbo outlet pipe for these trucks. This pipe includes the couplers and clamps for both ends. This pipe is for the turbocharger outlet (hot side) tube. The intercooler side coupler measures 125mm inside diameter. The turbo side coupler measures 101mm inside diameter. This pipe is a heavy duty galvanized steel to withstand the pressures introduced into the system from the turbocharger. Replace your old, faulty part with this brand new factory original part from GM at a fraction of the dealer price.

New. Never Installed. OEM Part. Bulk Overstock

GM Part # 21997240 (number on the item)

Other GM Part # 15020972 ; 15020973 ; 15044214 ; 21997241 ; 15089436 ; 11561525 ; 15086252 ; 15748040; 15020990 ; 11561522 ; 15086254; 15086253

Item is numbers 13, 14, 15, 16, and 17 in the GM diagram.