Specifications Manufacturer Part Number:52-7361 OE: 5093406AA Applicable Models: For 2003-2010 Dodge Ram 2500 Diesel/Gas, 3500 Diesel with Hydro-Boost 2003-2009 Dodge Ram 3500 Gas with Hydro-Boost 2008-2010 Dodge Ram 4500/5500 Diesel with Hydro-Boost 2011 Ram 2500 Diesel, 3500 Diesel/Gas with Hydro-Boost 2008-2009 Sterling Truck Bullet 45/55 Diesel Condition: New Material: Cast Iron Process: Spray Painting Color: Black, Golden Type: Hydro-Boost Power Brake Booster Fitment Type: Direct Replacement Assembly Method: Closed Master Cylinder Stud Thread Size: 3/8-16" Goose Neck Bore Diameter: 46.5mm/ 1.83 in Gross Weight: 7.2kg/ 15.87 lbs Package Size: 42*25*24cm/ 16.53*9.84*9.45 in Package Included 1* Hydro-Boost Power Brake Booster.