10 bestRenu 500 Fuel System Cleanerof January 2026
112M consumers helped this year.
1
Liqui Moly 1811 Diesel Purge (500 ml)
Liqui Moly
9.9
2
Techron D Concentrate Diesel Fuel System Cleaner, 20 fl. oz., 1 Pack
Chevron
9.8
3
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
9.7
4
Liqui Moly Injection Cleaner 300ml 2522
Liqui Moly
9.5
5
Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)
Liqui Moly
9.3
6
STP Petrol Injector Cleaner : Unclog Dirty injectors with just one Treatment (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1
STP
9.0
7
IFTEX® Clean System D with Triple Action Diesel Additive for All Diesel Cars (Pack of 2) (250 ml) / Diesel Fuel Treatment and Injector Cleaner for Cleaning deposits and Mileage Improvement
Iftex
8.7
8
Techron 266701317 Concentrate Plus Fuel System Cleaner, 32 oz
Chevron
8.5
9
STP Diesel Injector Cleaner : Unclog Dirty injectors with just one Treatment. (Helps : Restore Performance - Reduce Emissions - Save Fuel) - Pack of 1
STP
8.2
10
STP Diesel Fuel Treatment and Injector Cleaner (236 ml, 2 Pieces) (DFT2)
STP
7.9
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