Shop Our Categories www.liquidperformancedirect.com Search site View cart Automotive New Products Best Selling Fuel Additives Interior Exterior Industrial Motorcycle Accessories Marine RV Garage Blog About Us Contact Us Submit search Automotive 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: $7.99 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 LP 20/20 Anti Fog Cleaner & Protectant Interior Fresh - 32 oz. Fuel System Cleaner - 16 oz. Black Streak Remover - 32 oz. Our Price: $6.99 Our Price: $7.99 Our Price: $22.99 Our Price: $8.99 Chrome Wheel Cleaner & Polish - 5 oz. Quick Detailing Kit Wash and Wax - 1 Gallon Automotive All Purpose Cleaner - 32 oz. Our Price: $7.99 Our Price: $16.99 Our Price: $17.99 Our Price: $5.99 Share your knowledge of this product. Be the first to write a review »