10 bestOil Additiveof June 2026

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1

STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK

STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK

STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK

STP

9.8

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6% off

2

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

9.6

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3

Lucas Oil 10002 Heavy Duty Oil Stabilizer, 3.785 Litre, White

Lucas Oil 10002 Heavy Duty Oil Stabilizer, 3.785 Litre, White

Lucas Oil 10002 Heavy Duty Oil Stabilizer, 3.785 Litre, White

Lucas Oil

9.4

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4

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

9.1

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5

Slick-50 61399750 Engine Treatment 750ml (Pack of 2)

Slick-50 61399750 Engine Treatment 750ml (Pack of 2)

Slick-50 61399750 Engine Treatment 750ml (Pack of 2)

Slick 50

8.8

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OtherRelated products

Millers Oils VSPe Power Plus Fuel Additive & Octane Booster 500ML

Millers Oils VSPe Power Plus Fuel Additive & Octane Booster 500ML

Millers Oils VSPe Power Plus Multi Shot Lead Replacement Petrol Fuel Additive, 500ml

Millers Oils VSPe Power Plus Multi Shot Lead Replacement Petrol Fuel Additive, 500ml

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

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

Advanced XADO Petrol/Diesel Additive Restores Treats Engine Knocks Worn Bearings, up to 5 liter oil

Advanced XADO Petrol/Diesel Additive Restores Treats Engine Knocks Worn Bearings, up to 5 liter oil

6

Lucas Oil 10279 Gallon Engine Stop Leak, 3.785 Litre

Lucas Oil 10279 Gallon Engine Stop Leak, 3.785 Litre

Lucas Oil 10279 Gallon Engine Stop Leak, 3.785 Litre

Lucas Oil

8.6

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33% off

7

LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427

LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427

LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427

Liqui Moly

8.3

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5% off

8

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

8.0

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9

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

7.7

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10

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

Redex

7.4

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