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 bestOil Additiveof June 2025

112M consumers helped this year.

1

STP Ultra 5 in 1 Petrol System Cleaner 400ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

STP Ultra 5 in 1 Petrol System Cleaner 400ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

STP Ultra 5 in 1 Petrol System Cleaner 400ml, Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

STP

9.9

Buy it on Amazon

2

Redex Petrol System Cleaner 250ml, Petrol Injector Cleaner To Remove Harmful Deposits, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Petrol Engines, Suitable For Hybrids

Redex Petrol System Cleaner 250ml, Petrol Injector Cleaner To Remove Harmful Deposits, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Petrol Engines, Suitable For Hybrids

Redex Petrol System Cleaner 250ml, Petrol Injector Cleaner To Remove Harmful Deposits, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Petrol Engines, Suitable For Hybrids

Redex

9.8

Buy it on Amazon

3

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (3)

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (3)

Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (3)

Sea Foam

9.7

Buy it on Amazon

7% off

4

STP Diesel Fuel Additive Twin Pack

STP Diesel Fuel Additive Twin Pack

STP Diesel Fuel Additive Twin Pack

STP

9.5

Buy it on Amazon

10% off

5

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

9.3

Buy it on Amazon

OtherRelated productsUp to 7% off

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

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

Redex Lead Replacement Fuel Additive For Petrol Engines, Lubricates & Protects Your Engine, Lead Additives, Classic Cars Protection With Redex Petrol Additive For Cars, Use Every Tank, 250ml - Pink

Redex Lead Replacement Fuel Additive For Petrol Engines, Lubricates & Protects Your Engine, Lead Additives, Classic Cars Protection With Redex Petrol Additive For Cars, Use Every Tank, 250ml - Pink

Lucas Oil 10065 Lead Replacer-1L

Lucas Oil 10065 Lead Replacer-1L

6

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

9.1

Buy it on Amazon

19% off

7

LIQUI MOLY Oil Additive | 125 ml | Oil additive | SKU: 1800

LIQUI MOLY Oil Additive | 125 ml | Oil additive | SKU: 1800

LIQUI MOLY Oil Additive | 125 ml | Oil additive | SKU: 1800

Liqui Moly

8.9

Buy it on Amazon

8

Wynn's Diesel Injector Cleaner - Reduces Knocking & Black Smoke - Protects Fuel System from Corrosion - Safe for EGR, Turbo, DPF & SCR - 325ml

Wynn's Diesel Injector Cleaner - Reduces Knocking & Black Smoke - Protects Fuel System from Corrosion - Safe for EGR, Turbo, DPF & SCR - 325ml

Wynn's Diesel Injector Cleaner - Reduces Knocking & Black Smoke - Protects Fuel System from Corrosion - Safe for EGR, Turbo, DPF & SCR - 325ml

Wynn's

8.7

Buy it on Amazon

9

Liqui Moly 2770 - Engine Oil Additive

Liqui Moly 2770 - Engine Oil Additive

Liqui Moly 2770 - Engine Oil Additive

Liqui Moly

8.5

Buy it on Amazon

10

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Wynn's

8.2

Buy it on Amazon

Related Reviews You Might Like

Oil Leak Additives

Oil Leak Additives

Oil Additives

Oil Additives