Replace your failed 40 gallon after axle fuel tank in your 11-16 Ford Cab & Chassis with this high strength replacement tank from S&B. This tank is constructed of cross-link polyethylene that will not delaminate and is the solution to fixing issues with delamination. Even if your truck is not showing signs of delamination, this tank is a great way to protect your fuel system. This tank easily secures using OEM mounting and allows for the OEM sending unit to be installed into the S&B tank utilizing the original Ford locking ring.