10 bestRoyal Purple Fuel System Cleanersof December 2025
112M consumers helped this year.
1
Red Flow Diesel Additive | Injector Cleaner (5 Liters). Treats 1000L Diesel for All Trucks/Buses, Cars & Generators. Maintains Fuel System, No Breakdowns, More Mileage & Smooth Engine.
Red Flow
9.9
2
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
3
Liqui Moly Injection Cleaner 300ml 2522
Liqui Moly
9.6
4
STP Petrol Injector Cleaner : Unclog Dirty injectors with just one Treatment (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1
STP
9.3
5
IFTEX® Clean System G Petrol Additive for All Petrol Cars (Pack of 2)(200 ml) / Petrol Fuel Treatment and Injector Cleaner for Cleaning deposits and Mileage Improvement for Petrol Cars (200 ml)
Iftex
9.1
6
Mr. Gasket Cataclean 120007 Fuel and Exhaust System Cleaner-16 oz.
8.8
7
Red Line Oil 60103 Complete SI-1 Fuel System Cleaner (15 oz)
Red Line
8.5
8
STP Diesel Injector Cleaner : Unclog Dirty injectors with just one Treatment. (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1
STP
8.2
9
Royal Purple 11722 Max-Clean Fuel System Cleaner and Stabilizer - 20 oz.
Royal Purple
7.9
10
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner - 6 oz.
Royal Purple
7.6
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