Shop Our Categories www.liquidperformancedirect.com Search site View cart AUTOMOTIVE Best Selling Fuel Additives Interior Exterior Industrial POWERSPORTS Best Selling Products Motorcycle Fuel Additives Hog Wash Brand: V-Twin Detailing & Performance Motorcycle Coolants MARINE Best Selling Marine Marine Cleaning Supplies Marine Fuel Additives Marine Polishes Marine Waxes FUEL ADDITIVES INDUSTRIAL HOME CARE ABOUT About Us Contact Us Submit search Fuel Additive Information Shipping Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > AUTOMOTIVE > Diesel Doctor - 4 oz. Our Price: $8.49 Product Code: 0824 Qty: Description Liquid Performance Diesel Doctor Complete Fuel System Treatment is your one step fix to all Diesel Fuel problems. It’s full synthetic formula contains no alcohol, increases cetane, prevents water build up, prevents gelling to -40°, prevents algae growth, and reduces smoking. Diesel Doctor increases horsepower and fuel mileage. This product is EPA Registered. Add 1 oz of Diesel Doctor Complete Fuel Treatment to every 10 gallons of diesel fuel. Related Items Complete Fuel System Cleaner - 16 oz. Diesel Doctor - 32 oz. Poly Wax - 8 oz. Complete Fuel System Cleaner - 4 oz. Our Price: $22.99 Our Price: $34.99 Our Price: $13.99 Our Price: $8.49 Paint Polish - 8 oz. Spray Cleaner and Polish - 12 oz. Ethanol Equalizer - 1 Gallon Premium Glass Cleaner - 19 oz. Our Price: $12.99 Our Price: $9.99 Our Price: $129.99 Our Price: $5.99 Share your knowledge of this product. Be the first to write a review »