Important Note: Skid plates and straps are NOT included. These parts are reused. Torque Spec is 30 in/lbs for sending unit nuts Do you have an Auxiliary Fuel Tank? Read why using these with our tanks will void the Lifetime Warranty. This is a direct replacement to the OEM 40 gallon tank. This and your current OEM tank are the same size and shape. This poly tank resolves the problem of the OEM steel tank delaminating and damaging your fuel system. This tank does NOT fit 1999 trucks.