Allisan A1000 RawTransmission Pan Transmission Pan; Raw Finish; For Use w/Vehicles W/Trans Pan PN[727-DD]; Compatible With Stock Filter and Factory Gasket; Requires No Modification; GMC SIERRA 2500 HD SIERRA 2500 HD CLASSIC SIERRA 3500 SIERRA 3500 CLASSIC SIERRA 3500 HD BASE CLASSIC SL CLASSIC SLE CLASSIC SLT CLASSIC WT DENALI SL SLE SLT WT 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 6.6L Duramax Turbo Diesel LB7 (403) 6.6L Duramax Turbo Diesel LBZ (403) 6.6L Duramax Turbo Diesel LGH (403) 6.6L Duramax Turbo Diesel LLY (403) 6.6L Duramax Turbo Diesel LML (400) 6.6L Duramax Turbo Diesel LML (403) 6.6L Duramax Turbo Diesel LMM (403) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV L96 Vortec (364) 6L GEN IV LY6 Vortec (364) 8.1L L18 Vortec (496) CNG DIESEL FLEX GAS with Extra Capacity with Drain Plug Afe Power aFe Power Allisan A1000 RawTransmission Pan (Natural) - 46-70070 46-70070 Transmission Pan