10 bestOil Additivesof June 2026
112M consumers helped this year.
1
Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (24)
Sea Foam
9.8
40% off
2
STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml , Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK
STP
9.6
3
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
9.3
4
Lucas Oil 10002 Heavy Duty Oil Stabilizer, 3.785 Litre, White
Lucas Oil
9.0
5
Red Line 80301 Limited Slip Friction Modifier - 4 Ounce (12 Pack)
Red Line
8.7
Other
LIQUI MOLY Pro-Line Oil Loss Stop | 1 L | Oil additive | SKU: 5182
Millers Oils VSPe Power Plus Fuel Additive & Octane Booster 500ML
Millers Oils VSPe Power Plus Octane Booster Fuel Additive Treatment - 4x 250ml
Millers Oils Diesel Power Ecomax Fuel Additive Treatment 500ml 0.5L NEW IMPROVED
33% off
6
LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427
Liqui Moly
8.4
7
Lucas Oil 10279 Gallon Engine Stop Leak, 3.785 Litre
Lucas Oil
8.1
8
Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy Fuel Additives For Diesel Engines, Suitable For Hybrids
Redex
7.8
40% off
9
LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591
Liqui Moly
7.5
10
DERV Control - Biocide for Diesel/Gas Oil & Red Diesel (5 Litres)
Chemiphase
7.2
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