STP feature image

STP

Review rating Review rating Review rating Review rating Review rating 4.6 Fact checked

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

When purchasing a product, price is the consumer's primary concern. At present, STP has 306 products for sale. STP products range in price from $4.48 to $44.61, and the average price of all the products is about $19.21. It's affordable for most consumers, and you can feel free to pick your favorite products.

We found that most of the STP products are manufactured by Energizer Auto Sales, Inc.. The manufacturer provides STP with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase STP products on Amazon.com. The brand holds an average rating of 4.6, testifying to its excellent reputation.

STP Best Sellers

Last Updated: Jan 9, 2026

STP Ultra 5 In 1 Fuel System Cleaner and Stabilizer, Deep Cleans Fuel System and Fights Engine Friction, 12 FlOz

One 12 oz bottle of STP (R) Ultra 5 in 1 Fuel System Cleaner deep cleans entire fuel system
Features a blend of PEA and PIBA detergents to help remove harmful deposits and fight engine friction in any gasoline engine
3x the amount of cleaning agents compared to the leading premium gasoline (1)
STP (R) Ultra 5 in 1 Fuel System Cleaner helps you save gas by keeping your vehicle's fuel intake system clean
Pour the entire bottle of fuel treatment into a vehicle gas tank that is at least half full
Use STP (R) fuel additive every 4,000 miles for best vehicle performance
Treat Rate: 12 FL. oz. bottle treats up to 35 gallons of gasoline

STP Oil Treatment (15 oz.) - 12 Pack

Provides extra engine protection for all car, light truck and SUVs
Anti-wear agent with a viscosity improver
Corrosion fighter that helps protect your engine in severe operating conditions
Fights sludge build-up and keeps your engine clean
Add one bottle to 4 or 5 quarts of oil

STP Gas Treatment, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12

One 5.25 fl oz bottle of STP Gas Treatment
Improves the quality of gasoline and helps maintain fuel efficiency
Prevents the build-up of harmful carbon, gum and varnish deposits
Helps prevent fuel line freezes
Fuel cleaner formulated with jet fuel, a high-quality carrier of active ingredients
Use this gas additive regularly when you fill up your tank
STP—One of the most trusted names in car care for more miles than anyone can count

STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 Oz, Multicoloured, 1 Count (Pack of 1)

One 5.25 fl oz bottle of STP Complete Fuel System Cleaner
Fuel treatment with 2x the amount of cleaning agents versus leading premium gasoline
PEA and PIBA detergents get rid of deposits to keep your system clean and fuel efficient
Automotive cleaner helps inhibit corrosion and restores engine performance for versatile car products
Use this STP fuel system cleaner every oil change or every 4,000 miles

STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ

Protect the engine in your high-mileage vehicle with STP High Mileage Oil Treatment + Stop Leak. Formulated especially for vehicles with over 75,000 miles, this high-viscosity engine additive includes ZDDP oil additive as an anti-wear agent for protection. This STP oil treatment creates a thick cushion between moving engine parts to help fight metal-to-metal friction. Engine stop leak helps to rejuvenate seals and gaskets and stop engine leaks, noise and smoking to improve performance. Add to engine oil with each oil change during car maintenance. It's suitable for cars, light trucks and SUVs.
One 15 fl oz bottle of STP High Mileage Oil Treatment + Stop Leak
ZDDP oil additive prevents wear to protect your high-mileage vehicle
High-viscosity formula creates a thick cushion between moving engine parts to reduce friction
Leak stopper helps prevent engine leaks, noises and smoking and helps to rejuvenate seals and gaskets
Add this oil treatment to engine oil during every oil change

STP Fuel Injector Cleaner, Super Concentrated, Bottles, 5.25 Fl Oz, Pack of 12

Unclogs dirty fuel injectors to restore performance
Helps restore lost power and acceleration
Removes harmful deposits
Compatible with cap-less gas systems
Saves gas
Flash point: 44.0 degrees_celsius

STP Ceramic Oil Treatment, Protective Coating and Anti-Friction Technology, 15 Oz (19387)

Ceramic coating remains after oil changes to protect your engine for up to 15,000 miles
Anti-friction technology improves lubrication between metal parts for a smoother, quieter engine
Protective coating prevents engine deposits and help clean sludge build-up
Helps improve gas mileage, increase horsepower and reduce emissions
This STP oil treatment is engineered for use in conventional or synthetic motor oils and is safe for all gas or diesel engines
STP'One of the most trusted names in car care for more miles than anyone can count

STP 1 Tank Tune Up Fuel Additive Fuel System Cleaner and Exhaust System Cleaner, Cleans Fuel Injectors, Intake Valves, Cylinder Head and Piston Tops, 12 Fl Oz

One 12 fl oz STP 1 Tank Tune Up Fuel Additive reduces hydrocarbon emissions up to 50% and protects and maintains your catalytic converter
Reduces the release of harmful exhaust emissions into the environment
Cleans dirty oxygen sensors to help prevent failure and malfunction
Helps pass emissions test and improves fuel economy
Deep cleans fuel intake system including fuel injectors, intake valves, cylinder head and piston tops
Helps quiet rough running engines and eliminates hesitation and hard starts
Reduces knocking and cleans spark plus

STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12

OCTANE BOOSTER FOR GASOLINE: One 5.25 bottle of STP Octane Booster, a 2-in-1 fuel additive featuring MMT + Synthetic Technology to boost octane and clean the fuel intake system, restoring lost power and acceleration
COMPATIBLE WITH CAP-LESS SYSTEMS: This fuel treatment is compatible with all gasoline engines, including cap-less gas systems
RAISES OCTANE LEVELS: MMT, a powerful gas additive, raises octane levels to reduce knocking and pinging caused by combustion chamber deposits that increase your engine's need for higher-octane fuel
CLEANS THE FUEL INTAKE SYSTEM: The Synthetic Technology in this gas treatment helps clean the fuel intake system, improving fuel flow and combustion efficiency for smoother acceleration and increased horsepower
HELPS IMPROVE MPG: Made with jet fuel, a high-quality carrier of active ingredients, STP Octane Booster helps improve MPG by optimizing fuel use and reducing engine strain
USE WITH EVERY FILL-UP: Use the gasoline additive regularly when you fill up your tank; simply pour the entire contents in your gas tank before or after fueling (one 5.25 fl oz bottle treats up to 15 gallons of gasoline)

STP High Mileage Fuel Injector Cleaner and Carburetor Cleaner Treatment, Bottled Lubricant for Upper Cylinder, 5.25 Oz, 12 Count, STP

Fights deposit buildup and engine friction
Maintains optimal engine efficiency
Safe for any gasoline engines
Compatible with cap-less gas systems
1 bottle treats up to 21 gallons of gasoline

STP Octane Booster, Bottled Fuel System Cleaner Restores Lost Power and Acceleration, 5.25 Oz, STP

Boosts octane
Reduces knocking and pinging
Helps restore performance

STP Direct Injection Fuel Injector Cleaner, Advanced Synthetic Technology Fuel Cleaner Dissolves Hardened Deposits that Accumulate on Injectors, 12 Oz, STP

One 12 fl oz bottle of STP Complete Fuel System Cleaner for a variety of gasoline engines
This car fuel treatment has 2x the amount of cleaning agents versus leading premium gasoline
PEA and PIBA detergents get rid of deposits to keep your system clean and fuel efficient
Fuel system cleaner helps inhibit corrosion and restores engine performance for convenient and versatile car products
Use this complete STP fuel system cleaner at every oil change or every 4,000 miles
Jet fuel creates a high-quality carrier for the active ingredients in this auto cleaner
Fuel system cleaner that is compatible with all gasoline engines, including turbo, direct inject and hybrid engines

STP Premium Small Engine 4 Cycle Oil Formula, SAE10W-30 Small Engine Oil Engine Care Formula Reduces Wear for Lawnmower, Push Mower, Tractor, 32 Oz, STP

SAE 10W-30 MOTOR OIL FOR SMALL ENGINES: One 32 fl oz bottle of STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10W-30, formulated for small engines in lawnmowers, generators, tractors, snow blowers, and other outdoor power equipment
ALL-WEATHER FORMULA: This 4 cycle engine oil is a synthetic blend with an all-weather formula that promotes easier starts all year and can be used in all seasons
FIGHTS THERMAL BREAKDOWN: Antioxidants fight thermal breakdown to enhance oil durability, helping the SAE 10W-30 oil handle high temperatures without losing its effectiveness
REDUCES ENGINE WEAR AND OIL CONSUMPTION: Anti-Wear Technology minimizes engine wear, while the viscosity index improver helps reduce oil consumption and provides consistent lubrication at a wide range of temperatures
PREVENTS BUILDUP: Detergents help keep small engine components clean and control carbon deposits, preventing buildup that can affect performance and start-up
PROTECTS AGAINST CORROSION: Corrosion inhibitor promotes equipment longevity during seasonal storage, helping your engine stay protected even when not in use
HOW TO USE: Use it as a lawnmower oil, generator oil, or for other small engines commonly used outdoors; simply check the oil and change as necessary (refer to owner's manual

STP Heavy Duty Ceramic Engine Oil Treatment for Extreme Conditions

One container of STP Heavy Duty Ceramic Oil Treatment
STP oil treatment protects your engine for up to 20,000 miles with advanced lubrication technology
Heavy duty protection fuel treatment extends engine life and helps it run smoother and quieter
The protective ceramic layer in this oil treatment performs under extreme hot or cold temperatures
Continuous car care prevents deposits, improves gas mileage and helps improve oil flow
Use by adding at 20% capacity, such as 1 quart of treatment per 4 quarts of oil; use with fuel treatment and other car products to improve vehicle performance

STP 71153-12 fl oz Octane Booster Case of 6 Big Bottles

This STP octane booster is suitable for use in fuel injected and carbureted engines, this also helps reduce knocking and pinging
STP octane booster restores lost power and acceleration and it is safe for turbos, oxygen sensors and catalytic converters
Our STP octane booster provides more boost than most other brands, use it regularly when you fill up your tank
This two-in-one formula boosts octane and cleans the fuel intake system that promotes clean fuel burn for fewer emissions

STP Fuel Intake System Cleaner by STP, Super Concentrated Gas Treatment for Cars, Trucks, 5.25 Fl Oz Each, 6 Pack

Improves the quality of gasoline
Saves gas by keeping fuel intake system clean
Helps prevent fuel line freeze
Prevents deposit buildup
Compatible with cap-less fuel tanks
Flash point: 60.0 degrees_celsius

STP Car Cleaner and Protectant for Dirt & Dust, Son of a Gun Protectant, 10 Fl Oz, 65254

Protects and preserves your car's rich look
Helps prevent cracking fading discoloration and premature aging
Safely cleans away dirt, dust and debris
Renews and revitalizes vinyl, rubber and plastic

STP Premium Bar and Chain Oil, Tools and Chainsaw Oil Treatment Reduces Bar and Chain Wear, 32 Oz

Engineered with anti-wear agent Zinc Dialkyl Dithiophosphate (ZDDP) to help provide a layer of protection for the bar and chain
Formulated for use with chainsaws to help maintain maximum bar and chain performance
Oil is ready for immediate use
Tackifier helps reduce high-speed oil throw-off
High-quality base oil specially formulated to minimize resin build-up for smoother cuts
READY TO USE WITH NO MIXING REQUIRED: Just pour the bar and chain oil into the oil reservoir every time you refill the gas tank (refer to your chainsaw's manual for exact location)

STP Gas Treatment Fuel Additive, 5.25 fl oz Bottles, 2 Pack, Fuel Cleaner That Fights Deposit Build-up, Prevents Fuel Line Freeze, and Saves Gas

FUEL ADDITIVE: Two 5.25 fl oz bottles of STP Gas Treatment, an additive that improves the quality of gasoline in your tank and helps maintain your engine's fuel efficiency
FOR GASOLINE ENGINES: This fuel treatment is compatible with all gasoline engines, including cap-less gas systems
FIGHTS DEPOSIT BUILD-UP: Expertly formulated with powerful cleaning agents, the fuel cleaner fights the build-up of harmful carbon, gum, and varnish deposits in the fuel system
KEEPS THE FUEL SYSTEM CLEAN: The gas additive works as a fuel system cleaner to keep fuel injectors and intake valves clean of deposits
PREVENTS FUEL LINE FREEZE: Also engineered to remove water from the fuel system and prevent fuel lines from freezing in cold weather
HELPS SAVE GAS: Over time, you can save gas by using a gas cleaner like STP Gas Treatment to keep your gasoline and fuel system clean
USE WITH EVERY FILL-UP: Use the gasoline additive regularly when you fill up your tank; simply pour the entire contents in your gas tank before or after fueling (one 5.25 fl oz bottle treats up to 15 gallons of gasoline)

STP 00515 Fuel Injector and Carb Cleaner 12 oz.


STP FAQs

Yes, STP is a legitmate brand on Amazon. After conducting a comprehensive analysis of 9,575 customer reviews for STP products on Amazon, we have determined its average rating. With a strong performance and good quality, STP has received an average rating of 4.6 from numerous buyers, indicating that STP are trustworthy and live up to their claims. Therefore, it is safe to make purchases from STP on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

If you're interested in STP and want to find more STP products, you can follow the steps below:

  1. Go back to FindThisBest's homepage.
  2. Type STP in the search box and hit Enter to see the search results.
  3. Find and click the correct STP to go to the new page.
  4. Select the products you want in the STP buying guide, and take a glance at the prices and features of the products.
  5. View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more STP products.

We analyze millions of STP products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 306 STP products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the STP page.
  2. Select the product you want in the STP buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product STP Ultra 5 In 1 Fuel System Cleaner and Stabilize..., you can view it on Amazon page.
  3. Place your order on Amazon.

Most of the STP products are produced by Energizer Auto Sales, Inc.. The manufacturer provides STP with a steady supply of products, and they have a good cooperative relationship with each other.

Our mission is to provide you with the most up-to-date and objective information about the STP products, helping you make more informed buying decisions. We recommend best choices of the products from the STP brand, helping you make better shopping choices with less time and energy.