Description
Exhaust Manifold Kit for 2001 – 2016 Chevrolet / GM 6.6L Duramax
Left / Drivers Side Manifold Upgrade – No Pinch
Dorman # 674-731
Reference # 12637647
Upgrade For The 2001-2008 – Stock Replacement For 2009-2016
Fits All 6.6L Engines LB7, LLY, LBZ, LMM & LML from 2001-2016
