Type：Brake Booster. Booster Type：Hydraulic. 1 Hydraulic Brake Booster. 2004 - 2007 GMC Savana 2500 Base, LS, LT, SLE; with 7300 (lb) Gross Vehicle Weight (GVW); without Master Cylinder; RWD. 2004 - 2007 GMC Savana 1500 without Master Cylinder; RWD & AWD.
