40 Gallon, extra heavy duty, frame mounted, after - axle replacement tank.Note Sending Unit is NOT included with tankFor model years 1999 - 2010 LIFETIME WarrantySame tank as 8020099 only adapted to accept the PS - 191 sending units utilized in some FORD vehicles (especially E - Series Vans)(For those that own a 2000 Cab Chassis vehicle please contact a TITAN representative at 800 - 728 - 4982 for fitment confirmation).This may require the sending unit's suction draw tube to be shortened by about , a simple modification. Mounting straps or hardware may require modification, or even fabrication, to complete installation.NOTE All 1999 vehicles originally came with a 37 gallon tank and will require this 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.