10 bestStp Additivesof December 2024
112M consumers helped this year.
30% off
1
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
9.9
2
Wynn's W12264 Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml
Wynn's
9.8
22% off
3
Wynn's 28263 Diesel Particulate Filter Cleaner Fuel Additive DPF Regenerator Treatment For Passenger Car
Wynn's
9.6
4
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
9.4
29% off
5
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
9.1
OtherUp to 70% off
10% off
6
Wynn's Engine Oil Stop Leak Sealer Treatment Additive For All Engine Types 325ml
Wynn's
8.9
10% off
7
STP Diesel Fuel Additive Twin Pack
STP
8.6
24% off
8
STP Diesel Particulate Filter Cleaner 200 ml, Cleans and Protects Your Filter by Removing Soot in One Treatment, Restores Power and Acceleration, Mechanical Car Cleaning Products, Made in the UK
STP
8.3
14% off
9
STP Diesel High Milage Injector Cleaner 200 ml, Cleans and Protects your Engine for 300 miles, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK
STP
8.0
10
Wynn's Super Charge Oil Treatment Compression Restoring Additive For Petrol & Diesel Engines 425ml
Wynn's
7.8
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