10 bestFuel System Cleanersof August 2025
112M consumers helped this year.
1
Red Flow Diesel & Petrol Additive | Injector Cleaner (300ML), Treats 60L Diesel & 150L Petrol, for All Cars, Bikes, Scooters. Keeps Engine Clean, Improves Engine Smoothness, Fuel Economy & Pickup.
Red Flow
9.8
2
Liqui Moly Injection Cleaner 300ml 2522
Liqui Moly
9.6
3
Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)
Liqui Moly
9.3
4
3M Ptrl Fuel Tank Additive (25 ml)
3M
9.0
5
Gumout Gumout 510012 All-in-One Diesel Fuel System Cleaner, 32 fl. oz, 1 Pack
Gumout
8.8
6
STP Petrol Treatment (200 ml)
STP
8.5
7
MANNOL 9957 Injector Cleaner Fuel Injection System Cleaner for Petrol Engines Imported from Germany (250ML)
MANNOL
8.2
8
Lucas 10003 Upper Cylinder Lubrication & Injector Cleaner 32 oz
Lucas Oil
7.9
9
Chevron 65740 Techron Concentrate Plus Fuel System Cleaner - 20 oz.
Chevron
7.6
10
Gumout A USA Product ® Fuel Injector and Carburetor Cleaner - 6 Fl. Oz.
Gumout
7.3
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