40 Gallon, extra heavy duty, frame mounted, after - axle replacement tank. Tank is constructed of military grade cross - linked polyethylene (XLHDPE).Note Sending Unit is NOT included with tank. For F - 350, F - 450, and F - 550 Narrow Frame, Cab and Chassis vehicles For model years 1999 - 2010. Compatible with most bio - diesel fuel. Tank solves the problem of lining failure and corrosion in steel OEM tanks. Tank is light in weight, corrosion - proof, extremely durable and features a drain plug for easy maintenance. Complete with rollover vent valve. LIFETIME WarrantyFits in the place of the OEM stock tank. Generally replaces after - axle diesel tanks for 1999 - 2010 Ford F350, F450 and F550 cab and chassis applications that utilize PS - 123 sending units.For diesel fueled vehicles only.Approximate overall tank dimensions 31.31 in. x 31.20 in. x 15.00 in..Shipping box dimensions, approximate 32 in. x 32 in. x 16 in.. Gross Shipping weight 44 lbs.In most cases this product replaces the following original FORD equipment part numbers XC3Z9002AA, 6C3Z9002BA, 6C3Z9002A, 6C3Z9002E, 6C3Z9002F, 3C3Z9002AA, 5C3Z9002BBNOTE All 1999 vehicles originally came with a 37 gallon tank and will require an 8020099A model tank, also straps and a skid plate from FORD. Model year 2000 vehicles may be either so it is best to call TITAN for proper model fitment