Are you looking for the best engine oil treatments?
Discover how these top picks, based on real drivers’ experiences, can reduce engine noise, boost performance, fight wear, and make your car run smoother for longer.
Engine oil treatments can make a big difference in how your car runs. These products help your engine perform better.
Many drivers have seen great results. They report less noise and better performance. Adding the right treatment can make your car feel new again.
These treatments fight wear and reduce friction. They also help your engine last longer. You can easily find the best one for your needs.
Ready to improve your ride? Let’s explore the top engine oil treatments. I will guide you through the best choices.
List of Top 10 Engine Oil Treatments
| Image | Title | Best For | Price |
|---|---|---|---|
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Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009 |
This motor oil additive is perfect for car owners who want a smoother ride and better engine sound at high speeds. It suits driving fans looking to cut down on wear and boost control in any vehicle. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT) |
Prolube Oil Treatment is perfect for car owners, truck drivers, and anyone with engines in machines who want to boost power, cut fuel costs, and make vehicles last longer. It works great for people dealing with noisy or worn-out engines that need extra care and performance boosts. |
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Lucas Oil 10118 High Mileage Oil Stabilizer – 1 Quart |
This oil stabilizer is perfect for owners of high-mileage engines that are noisy, leaking, or using too much oil. It restores life to worn parts and makes your drive smooth and quiet. |
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STP High Mileage Oil Treatment + Stop Leak – 15 FL OZ |
This STP High Mileage Oil Treatment + Stop Leak is perfect for owners of cars, light trucks, or SUVs with over 75,000 miles. It helps protect your aging engine by fighting wear, reducing leaks, and cutting down on noise and smoke. |
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Rislone 4102 XTREME LUBE® Maximum Performance Engine Treatment, 16.9 oz. |
This engine treatment is perfect for car owners who want to fix noisy lifters, valves, and engine wear. It’s ideal for anyone dealing with sludge buildup in their vehicle’s engine. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (16oz) |
This oil additive is perfect for car owners and truck drivers who want a smoother ride without the noise and vibration from their engines. It’s also great for anyone with high-mileage vehicles or heavy-duty machinery looking to save on fuel costs and keep their engines running strong longer. |
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Lucas Oil 10001 Heavy Duty Oil Stabilizer – 1 Quart |
This oil stabilizer is perfect for truck drivers and mechanics who need to keep their engines running smooth under tough jobs. |
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Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce |
This Slick 50 Recharged High Mileage Engine Treatment is perfect for car owners with older vehicles that have lots of miles on them. It helps fix wear in worn engines and keeps things running smooth by sealing leaks and fighting sludge. |
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LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml |
This oil additive is perfect for car owners who drive petrol or diesel engines and want to protect against wear and tear. It suits people who seek smoother performance, less friction, and lower fuel use, even in extreme heat or cold. Mix it with any motor oil to keep your engine clean and strong under heavy loads. |
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BestLine Racing – Engine Oil Additive for all Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Made in the USA, Treats 5-quarts of oil. |
This engine oil additive is perfect for car owners, truck drivers, and enthusiasts who want smoother rides, better fuel savings, and longer engine life. It’s ideal for anyone driving gasoline or diesel vehicles, including motorcycles, classic cars, and race cars. |
Detailed Reviews
Our expert team picked these top 10 engine oil treatments using real data from tests and reviews to give you the best choices out there. Each one gets a deep review on how it cuts friction, boosts power, and saves fuel, so you see real wins for your car. Dive in now to find the perfect fit that makes your drive smoother and lasts longer.
1. Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

Liqui Moly MoS2 Anti-Friction Engine Treatment is a top oil additive in a 300 ml can. It fits all engines to help them run smoother. Add it to your motor oil for quick results.
This treatment forms a strong lubricant film on engine parts. Your engine will sound better and stay in control even at high speeds.
Drivers love how it reduces friction and boosts performance. Try it today to feel the difference in your ride.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This motor oil additive is perfect for car owners who want a smoother ride and better engine sound at high speeds. It suits driving fans looking to cut down on wear and boost control in any vehicle.
Ready to Purchase?
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2. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT)

Unlock your engine’s full potential with Prolube Oil Treatment. It boosts horsepower and cuts down on noise. Experience a smoother, more powerful ride today.
Prolube helps you save on fuel. It also protects your engine from wear and tear.
This oil additive works with any engine type. It’s easy to use and provides great versatility. Get yours now and feel the difference!
| Pros | Cons |
|---|---|
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Perfect For:
Prolube Oil Treatment is perfect for car owners, truck drivers, and anyone with engines in machines who want to boost power, cut fuel costs, and make vehicles last longer. It works great for people dealing with noisy or worn-out engines that need extra care and performance boosts.
Ready to Purchase?
3. Lucas Oil 10118 High Mileage Oil Stabilizer – 1 Quart

Lucas Oil High Mileage Oil Stabilizer works hard to lubricate all internal engine parts. It helps minimize wear on any engine you drive.
This booster eliminates engine noise from worn parts. It also cuts down on unwanted emissions and extra oil use.
Get this one-quart bottle today. Pour it in your oil. Feel your engine run smoother.
| Pros | Cons |
|---|---|
|
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Perfect For:
This oil stabilizer is perfect for owners of high-mileage engines that are noisy, leaking, or using too much oil. It restores life to worn parts and makes your drive smooth and quiet.
Ready to Purchase?
4. STP High Mileage Oil Treatment + Stop Leak – 15 FL OZ

Protect your high-mileage vehicle with STP High Mileage Oil Treatment + Stop Leak. This treatment is made for cars with over 75,000 miles. It fights engine wear and stops leaks.
Add the treatment to your engine oil during every oil change. This keeps your vehicle running smooth and quiet.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This STP High Mileage Oil Treatment + Stop Leak is perfect for owners of cars, light trucks, or SUVs with over 75,000 miles. It helps protect your aging engine by fighting wear, reducing leaks, and cutting down on noise and smoke.
Ready to Purchase?
5. Rislone 4102 XTREME LUBE® Maximum Performance Engine Treatment, 16.9 oz.

Rislone XTREME LUBE helps your engine. It reduces wear and removes sludge. This keeps your engine running smoothly.
It also quiets noisy lifters and valves. This product is made in the USA.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This engine treatment is perfect for car owners who want to fix noisy lifters, valves, and engine wear. It’s ideal for anyone dealing with sludge buildup in their vehicle’s engine.
Ready to Purchase?
6. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (16oz)

Prolube Oil Treatment powers up your engine and cuts noise. It boosts horsepower, smooths out vibrations, and makes your ride quieter under tough use.
This oil additive saves you money on fuel by cutting friction. It keeps your engine cool and helps it last longer by reducing wear up to 45%.
It works on gas and diesel engines, plus transmissions. You can add 1 oz per quart for most engines or 2 oz for heavy ones. It fits cars, trucks, and machines with ease.
| Pros | Cons |
|---|---|
|
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Perfect For:
This oil additive is perfect for car owners and truck drivers who want a smoother ride without the noise and vibration from their engines. It’s also great for anyone with high-mileage vehicles or heavy-duty machinery looking to save on fuel costs and keep their engines running strong longer.
Ready to Purchase?
7. Lucas Oil 10001 Heavy Duty Oil Stabilizer – 1 Quart

Keep your engine running smoothly with Lucas Oil 10001 Heavy Duty Oil Stabilizer. It’s the world’s #1 oil additive. This product is made with 100% petroleum.
This stabilizer is great for new engines. It is also trusted by professionals.
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| Pros | Cons |
|---|---|
|
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Perfect For:
This oil stabilizer is perfect for truck drivers and mechanics who need to keep their engines running smooth under tough jobs.
It works great for anyone with new or old engines facing hard use.
Ready to Purchase?
8. Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce

Slick 50 Recharged High Mileage Engine Treatment helps older cars run better. It fights friction, heat, and wear to keep your engine strong.
It brings back power on worn-out engines that use too much oil. Seals get fixed to stop leaks for good. Detergents clean out sludge and keep it away.
Add it during your next oil change or use it in between. It works perfectly with all types of motor oil.
| Pros | Cons |
|---|---|
|
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Perfect For:
This Slick 50 Recharged High Mileage Engine Treatment is perfect for car owners with older vehicles that have lots of miles on them. It helps fix wear in worn engines and keeps things running smooth by sealing leaks and fighting sludge.
Ready to Purchase?
9. LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml

Give your engine the ultimate care with LIQUI MOLY Cera Tec! This ceramic wear protection is designed for both petrol and diesel engines.
It mixes with all motor oils. Experience smoother engine performance. Enjoy less friction and lower fuel consumption.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This oil additive is perfect for car owners who drive petrol or diesel engines and want to protect against wear and tear. It suits people who seek smoother performance, less friction, and lower fuel use, even in extreme heat or cold. Mix it with any motor oil to keep your engine clean and strong under heavy loads.
Ready to Purchase?
10. BestLine Racing – Engine Oil Additive for all Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Made in the USA, Treats 5-quarts of oil.

BestLine Racing is an engine oil additive. It works for gas and diesel engines. This product is made in the USA.
It reduces wear, noise, and vibration. It also boosts fuel economy and horsepower.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This engine oil additive is perfect for car owners, truck drivers, and enthusiasts who want smoother rides, better fuel savings, and longer engine life. It’s ideal for anyone driving gasoline or diesel vehicles, including motorcycles, classic cars, and race cars.
Ready to Purchase?
Buying Guide
Engine oil treatments can boost your car’s performance. They cut down on friction and noise. Pick the right one to keep your engine strong.
Many drivers share their real stories after using these treatments. One user said their old truck roared less and drove smoother after adding Prolube Oil Treatment. Another shared how Liqui Moly MoS2 made their diesel engine quiet and more powerful on long trips. A third driver noted Lucas Oil Stabilizer stopped oil leaks in their high-mileage car, saving them money on fixes.
Here are key factors to think about when buying these treatments:
- Engine Type Compatibility: Check if the treatment fits your gas or diesel engine. Some work on both. This ensures it blends well with your oil.
- Key Benefits: Look for ones that cut friction, wear, and noise. They may also save fuel and boost power.
- Product Size and Usage: See the bottle size, like 300 ml or 1 quart. Know how much to add per oil change.
- User Reviews and Results: Read about real users who saw better performance or less vibration. This shows if it works for your car.
- Price and Brand Reputation: Compare costs of top brands like Liqui Moly or STP. Choose trusted ones with good feedback.
- Additives and Safety: Pick treatments with safe chemicals. Avoid ones that harm engines over time.
- Warranty or Guarantee: Some offer promises on fixes like stopping leaks. This protects your buy if issues arise.
- Application Ease: Choose easy-to-add products. Simple steps mean less mess and time.
- Environmental Impact: Opt for eco-friendly options. They cut emissions and waste.
- Versatility: Some treat more than engines, like transmissions. This is useful for full car care.