STP Oil & Fuel Additives
- STP®Octane BoosterUniversal Octane Booster by STP®. This 2-in-1 formula effectively cleans the fuel intake system to restore lost performance, reduce knocking and pinging, and boost octane rating. The product is made with jet fuel, a high quality...Helps restore optimum performanceMaintains engine efficiency$7.28 - $12.31
- STP®Octane Booster 12 oz (65382)Universal Octane Booster (65382) by STP®. 12 oz. This 2-in-1 formula effectively cleans the fuel intake system to restore lost performance, reduce knocking and pinging, and boost octane rating. The product is made with jet fuel, a high...Helps restore optimum performanceMaintains engine efficiency$7.28
- STP®Super Concentrated Fuel Injector CleanerUniversal Super Concentrated Fuel Injector Cleaner by STP®. Keep your fuel system clean with the complete fuel system cleaner by STP that is safe for all gasoline engines. Its formulation helps remove deposits from the entire system to...Restores the performance of the fuel systemSaves gas$5.55 - $15.54
- STP®Complete Fuel System CleanerUniversal Complete Fuel System Cleaner by STP®. Keep your fuel system clean with the complete fuel system cleaner by STP that is safe for all gasoline engines. Its formulation helps remove deposits from the entire system to restore its...Restores the performance of the fuel systemSaves gas$11.51 - $15.54
- STP®Fuel Injector and Carburetor TreatmentUniversal Fuel Injector and Carburetor Treatment by STP®. This great product is right what the doctor ordered to restore the optimum operating condition of the fuel system. It saves gas, fights deposit buildup and maintains optimum...Helps restore optimum performanceMaintains engine efficiency$10.75 - $11.27
- STP®Son of a Gun!™ ProtectantSon of a Gun!™ Protectant by STP®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.Effective auto detailing solutionDelivers non-greasy look and feel$6.02 - $8.26
- STP®Complete Fuel System Cleaner 12 oz (78358)Universal Complete Fuel System Cleaner (78358) by STP®. 12 oz. Keep your fuel system clean with the complete fuel system cleaner by STP that is safe for all gasoline engines. Its formulation helps remove deposits from the entire system...Restores the performance of the fuel systemSaves gas$11.51
- STP®Super Concentrated Fuel Injector Cleaner 12 oz (00506)Universal Super Concentrated Fuel Injector Cleaner (00506) by STP®. 12 oz. This super concentrated fuel injector cleaner is designed to restore the performance of the fuel system in just one treatment. It contains concentrated...Restores the performance of the fuel systemSaves gas$5.55
- STP®Fuel Injector and Carburetor Treatment 2x5.25 oz (78610)Universal Fuel Injector and Carburetor Treatment (78610) by STP®. 2x5.25 oz. This great product is right what the doctor ordered to restore the optimum operating condition of the fuel system. It saves gas, fights deposit buildup and...Helps restore optimum performanceMaintains engine efficiency$11.27
- STP®Super Concentrated Fuel Injector Cleaner (Value Pack) (78577)Universal Super Concentrated Fuel Injector Cleaner (Value Pack) (78577) by STP®. 2x5.25 oz. Keep your fuel system clean with the complete fuel system cleaner by STP that is safe for all gasoline engines. Its formulation helps remove...Restores the performance of the fuel systemSaves gas$15.54
- STP®Fuel Injector and Carburetor Treatment 5.25 oz (78571)Universal Fuel Injector and Carburetor Treatment (78571) by STP®. 5.25 oz. This great product is right what the doctor ordered to restore the optimum operating condition of the fuel system. It saves gas, fights deposit buildup and...Helps restore optimum performanceMaintains engine efficiency$10.75
- STP®Gas Treatment 5.25 oz (78573)Universal Gas Treatment by STP®. 5.25 oz. This revolutionary treatment is a sure way to improve the quality of gas and keep fuel injectors and intake valves clean. Powerful cleaning agents help fight the accumulation of harmful carbon,...Helps restore optimum performanceMaintains engine efficiency$7.93
- STP®Super Concentrated Fuel Injector Cleaner 5.25 oz (78575)Universal Super Concentrated Fuel Injector Cleaner (78575) by STP®. 5.25 oz. This super concentrated fuel injector cleaner is designed to restore the performance of the fuel system in just one treatment. It contains concentrated...Restores the performance of the fuel systemSaves gas$10.07
- STP®Octane Booster 5.25 oz (78574)Universal Octane Booster (78574) by STP®. 5.25 oz. This 2-in-1 formula effectively cleans the fuel intake system to restore lost performance, reduce knocking and pinging, and boost octane rating. The product is made with jet fuel,...Helps restore optimum performanceMaintains engine efficiency$12.31
- STP®Fuel System Cleaner for Ethanol Fuels 5.25 oz (78587)Universal Fuel System Cleaner for Ethanol Fuels by STP®. 5.25 oz. Keep your fuel system clean with the complete fuel system cleaner by STP that is safe for all gasoline engines. Its formulation helps remove deposits from the entire...Restores the performance of the fuel systemSaves gas$11.29
- STP®Complete Fuel System Cleaner 5.25 oz (78568)Universal Complete Fuel System Cleaner (78568) by STP®. 5.25 oz. Keep your fuel system clean with the complete fuel system cleaner by STP that is safe for all gasoline engines. Its formulation helps remove deposits from the entire...Restores the performance of the fuel systemSaves gas$15.54
- STP®DOT 3 Heavy Duty Brake Fluid (00203)Universal DOT 3 Heavy Duty Brake Fluid by STP®. Specially formulated for disc or drum brake systems in modern vehicles, this innovative fluid helps achieve optimum performance from the system, provides superior protection against brake...Protects against wear and breakdownMaintains optimum performance of the system$10.84
- STP®Engine Oil Treatment, 15 fl oz x 12 Bottles (66079)Engine Oil Treatment, 15 fl oz x 12 Bottles (66079) by STP®. This great treatment is specifically designed to reduce exhaust smoking and decrease metal-to-metal contact by providing a thicker oil cushion. It thickens engine oil to...Helps protect against engine wearProvides a thicker cushion between moving engine parts$6.82
- STP®Engine Stop Leak, 14.5 oz (66255)Engine Stop Leak, 14.5 oz by STP®. Fights friction to help protect against engine wear by providing a thicker cushion between moving engine parts. This high-viscosity formula complete with anti-wear agent ZDDP is specially formulated to...Helps protect against engine wearProvides a thicker cushion between moving engine parts$9.74
- STP®Smoke Treatment, 14.5 oz (65930)Smoke Treatment, 14.5 oz by STP®. This great treatment is specifically designed to reduce exhaust smoking and decrease metal-to-metal contact by providing a thicker oil cushion. It thickens engine oil to prevent friction between...Helps protect against engine wearProvides a thicker cushion between moving engine parts$9.88
- STP®Son of a Gun!™ 10 oz. Pump Protectant (65254)Son of a Gun!™ 10 oz. Pump Protectant (65254) by STP®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.Effective auto detailing solutionDelivers non-greasy look and feel$6.02
- STP®Son of a Gun!™ 16 oz. Spray Protectant (65229)Son of a Gun!™ 16 oz. Spray Protectant (65229) by STP®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.Effective auto detailing solutionDelivers non-greasy look and feel$8.26
- STP®Engine Oil Treatment, 15 oz (8262B)Engine Oil Treatment, 15 oz by STP®. This great treatment is specifically designed to reduce exhaust smoking and decrease metal-to-metal contact by providing a thicker oil cushion. It thickens engine oil to prevent friction between...Helps protect against engine wearProvides a thicker cushion between moving engine parts$6.82
- STP®Synthetic Motor Oil Additive, 16 oz (18413)Synthetic Motor Oil Additive, 16 oz by STP®. Fights friction to help protect against engine wear by providing a thicker cushion between moving engine parts. This high-viscosity formula complete with anti-wear agent ZDDP is specially...Helps protect against engine wearProvides a thicker cushion between moving engine parts$10.15
The heritage of Scientifically Treated Petroleum or STP made it one of the most trusted names in the car care industry. As part of the Armored AutoGroup Inc., STP provides a complete array of performance products including fuel additives, motor oils, oil additives, multipurpose motor treatment, etc. The history of the STP brand traces its roots back to 1954 with the first STP oil treatment – the perfect solution against engine wear.
By the 1990s, STP had built a presence in almost every country in the world. Today STP continues its tradition of quality and commitment to innovation, delivering cutting-edge solutions to the aftermarket. STP has been involved in racing since 1972. With over 50 years of motorsport sponsorship, STP's commitment is longer than any other company, and its association with Richard Petty, the legend of motorsport, is the longest continuous sponsorship.