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" x 31.20" x 15.00".Shipping box dimensions, approximate: 32" x 32" x 16". 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