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10 bestDef Diesel Fuel Additiveof 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 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

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2

Liqui Moly 1811 Diesel Purge (500 ml)
Liqui Moly 1811 Diesel Purge (500 ml)

Liqui Moly

9.8

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3

OCTONOL DEF (Diesel Exhaust Fluid) - Pack of 2 (10 litres)
OCTONOL DEF (Diesel Exhaust Fluid) - Pack of 2 (10 litres)

OCTONOL

9.6

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4

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 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

9.4

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5

Liqui Moly Super Diesel Additive 250ml 1806
Liqui Moly Super Diesel Additive 250ml 1806

Liqui Moly

9.2

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6

OCTONOL DEF (Diesel Exhaust Fluid) - 18 Litres
OCTONOL DEF (Diesel Exhaust Fluid) - 18 Litres

OCTONOL

8.9

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7

Liqui Moly - LMSD Super Diesel Additive (200 ml)
Liqui Moly - LMSD Super Diesel Additive (200 ml)

Liqui Moly

8.6

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8

Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)
Liqui Moly Motorbike Fuel System Cleaner 4T Shooter (80 ml) (LM044)

Liqui Moly

8.4

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9

OCTONOL DEF (Diesel Exhaust Fluid) - 5 Litres
OCTONOL DEF (Diesel Exhaust Fluid) - 5 Litres

OCTONOL

8.1

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10

Amsoil Diesel Cetane Boost
Amsoil Diesel Cetane Boost

Amsoil

7.8

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