12 301239 Heavy Duty Trailer Air Tank airmanifold 17 1 4" 19 1 2" Adjustable Torque Make:Bluebird 17 1 4" 19 1 2" Adjustable Torque Rod 9213 Air Spring Rolling Lobe Direct replacement this air brake air tank matches the fit and function of an original tank on specified vehicle years 5 in End Port Thread Size 3 8 in End Port Thread Type Standard NPT Length 44 in Length (A) 49 in Main Port Thread Size 3 4 in Main Port Thread Size (Front and Back Ports) 3 4 in Main Port Thread Type Standard NPT Material Steel Mount Centers 49 in Mounting Bracket Type Type 1 Mounting Hardware Included No Mounting Hole Quantity 4 Mounting Type Welded Bracket Package Contents 1 Trailer Air Tank Part Number 12 301239 Part Type Air Brake Air Tank Port Quantity 6 Port Thread Type NPT Port Type 1 Pressure Gauge Included No Universal Or Specific Fit Universal Weight 45