CLOSEOUT AUTOMOTIVE: 1 LITER DIESEL FUEL CONDITIONER ALL SEASON LOW SULPHUR ENG/FR. ALTRA 9000, Hall-Chem diesel fuel conditioner: • Improves engine power while reducing fuel consumption. • Absorbs moisture in fuel to prevent corrosion. • Cleans and conditions injectors, piston rings, seals and joints. • Increases engine and fuel filter life. Wholesale, 6 per unit.