10 bestEngine Oil Treatmentsof May 2025
112M consumers helped this year.
12% 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
9.8
10% off
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
9.6
10% off
3
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
9.4
6% off
4
Liqui Moly 2770 - Engine Oil Additive
Liqui Moly
9.1
5
LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591
Liqui Moly
8.9
OtherUp to 7% off
WYNNS Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel
STP GST60450EN06 Oil Treatment for Petrol Engines 450 ml
REDEX 10W-40 Part Synthetic Motor Engine Oil 2Litre
LIQUI MOLY Pro-Line Oil Loss Stop | 1 L | Oil additive | SKU: 5182
6
Slick 50 Engine Treatment Oil Additive Treatment 500ml 61399500
Slick
8.6
30% off
7
LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 1802
Liqui Moly
8.3
8
Wynn's Super Charge Oil Treatment - Enhances Viscosity - Restores Compression & Pressure - Reduces Oil Consumption & Smoke Emissions - Prevents Metal Contact & Engine Wear - 425ml
Wynn's
8.1
9
Wynn's Stop Smoke For Oil Additive For Reducing Petrol & Diesel Engine Exhaust Emissions
Wynn's
7.8
10
Sea Foam SS14 Engine Cleaner and Lube Foam
Sea Foam
7.5
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