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Best Diesel Additives

From leading brands and best sellers available on the web.
#1

Winner

Cataclean Diesel | Complete Fuel &

Cataclean

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 6 x 500ml

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#2
Archoil AR6900-D Max Advanced Diese

Archoil

Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 5L Treats 5,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (5Litre)

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#3
Cataclean Diesel | Complete Fuel &

Cataclean

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 4 x 500ml

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#4
Archoil AR6400-D MAX Pro DPF Cleane

Archoil

Archoil AR6400-D MAX Pro DPF Cleaner Diesel Fuel System, Diesel Injector Cleaner, Turbo, CAT Cleaner Concentrate - High Strength Carbon Removal & Exhaust Emissions Reduction for MOT Pass (5Litre)

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#5
Cataclean Diesel | Complete Fuel &

Cataclean

Cataclean Diesel | Complete Fuel & Exhaust Cleaner | Catalytic Converter, Valve & Injector Cleaner | Fuel Additive Formulated for Performance & Fuel Efficiency | Pre MOT Emissions Reducer | 2 x 500ml

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#6
Wynn's Extreme Diesel System Cleane

Wynn's

Wynn's Extreme Diesel System Cleaner - Deep Cleaning Engine Treatment - Restores Fuel Economy & Reduces Emissions - Prevents Turbo, EGR Valve & DPF Issues - 325ml

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#7
Redex Diesel Fuel System Cleaner 25

Redex

Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Diesel Engines, Suitable For Hybrids

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#8
STP Ultra 5 in 1 Diesel Fuel System

STP

5%OFF

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

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#9
SYPRIN Diesel Cleaner 3x 500ml - cl

SYPRIN

7%OFF

SYPRIN Diesel Cleaner 3x 500ml - cleaning and maintenance of diesel fuel systems and motors I diesel cleaner additives for injector dpf particulate filter motor…

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#10
STP Diesel Fuel Additive Twin Pack

STP

STP Diesel Fuel Additive Twin Pack

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Buying Guide for the Best Diesel Additives

When choosing diesel additives, it's important to understand that these products are designed to enhance the performance and longevity of your diesel engine. Diesel additives can help improve fuel efficiency, reduce emissions, and prevent engine wear. The right additive for you will depend on your specific needs, such as improving fuel economy, cleaning the fuel system, or protecting against cold weather. Understanding the key specifications of diesel additives will help you make an informed decision that aligns with your vehicle's requirements and your driving conditions.
PurposeThe purpose of a diesel additive is crucial because it determines what the additive is designed to do for your engine. Additives can serve various functions such as cleaning the fuel system, improving fuel economy, enhancing lubrication, or preventing gelling in cold weather. To choose the right one, consider what specific issue or improvement you are targeting. For instance, if you are experiencing poor fuel economy, look for additives that focus on fuel efficiency. If you live in a cold climate, an anti-gel additive might be necessary.
CompatibilityCompatibility refers to whether the diesel additive is suitable for your specific type of diesel engine. This is important because using an incompatible additive can lead to engine damage or reduced performance. Diesel engines can vary significantly, so it's essential to check the product label or manufacturer's guidelines to ensure the additive is compatible with your engine type. If you are unsure, consult your vehicle's manual or a professional mechanic to determine the best option for your engine.
ConcentrationConcentration indicates the amount of additive needed per gallon of diesel fuel. This is important because using the correct concentration ensures the additive works effectively without causing harm to the engine. Additives come in different concentrations, and it's crucial to follow the manufacturer's instructions for the correct dosage. If you are looking for a more potent effect, you might choose a higher concentration, but always ensure it aligns with your engine's requirements.
Seasonal UseSeasonal use refers to whether the diesel additive is designed for specific weather conditions, such as winter or summer. This is important because certain additives are formulated to address issues that arise in specific climates, like preventing fuel gelling in cold temperatures or reducing evaporation in hot weather. If you live in an area with extreme temperatures, consider choosing an additive that is tailored for those conditions to ensure optimal engine performance year-round.
Additive TypeAdditive type refers to the specific formulation and function of the diesel additive, such as cetane boosters, anti-gel, or detergents. This is important because different types of additives address different engine needs. For example, cetane boosters improve combustion efficiency, while detergents clean the fuel system. To select the right type, identify the specific issue you want to address in your engine, such as improving start-up performance or cleaning injectors, and choose an additive that targets that need.