Shop Our Categories www.liquidperformancedirect.com Search site View cart Automotive New Products Best Selling Fuel Additives Interior Exterior Industrial Motorcycle New Motorcycle Products Best Selling Products Motorcycle Fuel Additives Motorcycle Coolants Hog Wash Marine Best Selling Marine Marine Cleaning Supplies Marine Fuel Additives Marine Polishes Marine Waxes RV Garage Blog About Us Contact Us Submit search Special Offers 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 Tire and Rim Cleaner - 32 oz. Car Wash - 32 oz. Diesel Doctor - 1 Gallon Tire and Trim - 11 oz. Our Price: $7.99 Our Price: $5.99 Our Price: $129.99 Our Price: $8.99 Topkote Finishing Spray - 12 oz. Complete Fuel System Cleaner - 32 oz. LP-33 Penetrating Lube - 11 oz. Paint Polish - 16 oz. Our Price: $10.99 Our Price: $34.99 Our Price: $9.99 Our Price: $16.99 Share your knowledge of this product. Be the first to write a review »