10 bestOil Additiveof April 2025
112M consumers helped this year.
39% off
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
9.9
10% off
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
9.8
10% off
3
Wynn's Engine Oil Stop Leak Sealer Treatment Additive For All Engine Types 325ml
Wynn's
9.6
4
Sea Foam Motor Tune - Up SF16 For Petrol and Diesel Engines (3)
Sea Foam
9.4
23% off
5
LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591
Liqui Moly
9.2
OtherUp to 17% off
Wynn's Super Charge Oil Treatment Compression Restoring Additive For Petrol & Diesel Engines 425ml
Wynn's Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel
Lucas Oil 40001 Heavy Duty Oil Stabilizer-1L
Lucas Oil 10130 Synthetic Stabilizer-946ml
13% off
6
LIQUI MOLY Oil Additive | 125 ml | Oil additive | SKU: 1800
Liqui Moly
9.0
25% off
7
STP Diesel Fuel Additive Twin Pack
STP
8.8
17% off
8
Liqui Moly 2770 - Engine Oil Additive
Liqui Moly
8.5
9
Wynn's Formula Gold Petrol System Treatment Performance & Fuel Economy Restoring Additive 500ml
Wynn's
8.3
10
Wynn's Diesel Injector Cleaner Engine Fuel System Additive Treatment 325ml
Wynn's
8.0
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