We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestEngine Oil Treatmentsof May 2025

112M consumers helped this year.

10% off

1

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

Liqui Moly

9.8

Buy it on Amazon

2

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

STP

9.6

Buy it on Amazon

3

Slick 50 Engine Treatment Oil Additive Treatment 500ml 61399500

Slick 50 Engine Treatment Oil Additive Treatment 500ml 61399500

Slick 50 Engine Treatment Oil Additive Treatment 500ml 61399500

Slick

9.3

Buy it on Amazon

10% off

4

Wynn's Engine Oil Stop Leak - Prevents & Stops Oil Leaks - Restores Elasticity of Seals & O-Rings - Lubricates & Protects Engine Seals - Safe for All Engine Oils - 325ml

Wynn's Engine Oil Stop Leak - Prevents & Stops Oil Leaks - Restores Elasticity of Seals & O-Rings - Lubricates & Protects Engine Seals - Safe for All Engine Oils - 325ml

Wynn's Engine Oil Stop Leak - Prevents & Stops Oil Leaks - Restores Elasticity of Seals & O-Rings - Lubricates & Protects Engine Seals - Safe for All Engine Oils - 325ml

Wynn's

9.0

Buy it on Amazon

5

LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591

LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591

LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591

Liqui Moly

8.7

Buy it on Amazon

OtherRelated productsUp to 39% off

LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 1802

LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 1802

WYNNS Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel

WYNNS Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel

LIQUI MOLY Pro-Line Oil Loss Stop | 1 L | Oil additive | SKU: 5182

LIQUI MOLY Pro-Line Oil Loss Stop | 1 L | Oil additive | SKU: 5182

Sea Foam SS14 Engine Cleaner and Lube Foam

Sea Foam SS14 Engine Cleaner and Lube Foam

6

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (2)

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (2)

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (2)

Sea Foam

8.5

Buy it on Amazon

7

Liqui Moly 2770 - Engine Oil Additive

Liqui Moly 2770 - Engine Oil Additive

Liqui Moly 2770 - Engine Oil Additive

Liqui Moly

8.2

Buy it on Amazon

5% off

8

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz

Sea Foam

7.9

Buy it on Amazon

9

Wynn's Super Charge Oil Treatment - Enhances Viscosity - Restores Compression & Pressure - Reduces Oil Consumption & Smoke Emissions - Prevents Metal Contact & Engine Wear - 425ml

Wynn's Super Charge Oil Treatment - Enhances Viscosity - Restores Compression & Pressure - Reduces Oil Consumption & Smoke Emissions - Prevents Metal Contact & Engine Wear - 425ml

Wynn's Super Charge Oil Treatment - Enhances Viscosity - Restores Compression & Pressure - Reduces Oil Consumption & Smoke Emissions - Prevents Metal Contact & Engine Wear - 425ml

Wynn's

7.6

Buy it on Amazon

10

Wynn's Stop Smoke For Oil Additive For Reducing Petrol & Diesel Engine Exhaust Emissions

Wynn's Stop Smoke For Oil Additive For Reducing Petrol & Diesel Engine Exhaust Emissions

Wynn's Stop Smoke For Oil Additive For Reducing Petrol & Diesel Engine Exhaust Emissions

Wynn's

7.3

Buy it on Amazon

Related Reviews You Might Like

Hot Oil Treatments

Hot Oil Treatments

Engine Treatments

Engine Treatments