10 bestDiesel Oil Additivesof April 2025
112M consumers helped this year.
1
Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)
Archoil
9.8
2
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 (400ml)
Archoil
9.6
10% off
3
Wynn's Formula Gold High Performance Diesel System Treatment 500ml
Wynn's
9.4
4
Archoil AR6400-D MAX Pro Diesel Engine, Turbo, DPF Cleaner 400ml & AR6900-D 250ml
Archoil
9.1
5
Wynn's Super Charge Oil Treatment Compression Restoring Additive For Petrol & Diesel Engines 425ml
Wynn's
8.9
OtherUp to 7% off
Smith & Allan Diesel Fuel Anti Wax Agent : Size - 5lt
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
Wynn's 1831024 71851 Dry Fuel 325 ml WY12264 Extreme Diesel System Fuel Injector Cleaner Engine Additive Treatment 325ml
Lucas Oil 41030 Diesel Deep Clean-155ml
6
SYPRIN Diesel Additive 250ml - engine additive for diesel cars I injector dpf cleaner I fuel system additives for diesel motors particulate filter
SYPRIN
8.6
7% off
7
Wynn's Formula Gold Engine Oil Treatment Increase Compression And Reduces Wear Petrol & Diesel
Wynn's
8.3
8
Lucas Oil 10020 Fuel Treatment-155ml
Lucas Oil
8.1
9
Liqui Moly 5122 Diesel Lubricant Additive 150 ml
Liqui Moly
7.8
10
Hot Shot's Secret HSS64Z Stiction Eliminator - 64 fl. oz. by Hot Shot's Secret
Hot Shot's Secret
7.5
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A Guide to Selecting the Best Diesel Oil Additives
When choosing diesel oil additives, it's important to understand that these products are designed to enhance the performance and longevity of your diesel engine. They can help improve fuel efficiency, reduce emissions, and protect engine components from wear and tear. The right additive can make a significant difference in how your engine performs, especially under demanding conditions. To select the best diesel oil additive for your needs, consider the specific requirements of your engine, the driving conditions you typically encounter, and any particular issues you are experiencing with your vehicle.
Detergent Additives
Detergent additives are crucial for keeping your engine clean by preventing the buildup of deposits on engine parts. These deposits can affect engine performance and efficiency. Detergent additives work by breaking down and removing these deposits, ensuring smoother operation. If you frequently drive in stop-and-go traffic or use your vehicle for short trips, you might benefit from a higher concentration of detergent additives to keep your engine clean.
Cetane Boosters
Cetane boosters are additives that increase the cetane number of diesel fuel, which is a measure of the fuel's combustion quality. A higher cetane number can lead to better engine performance, easier starting, and reduced emissions. If you notice your engine is hard to start or runs roughly, a cetane booster might be beneficial. For those driving in colder climates or with older engines, a higher cetane number can be particularly advantageous.
Lubricity Enhancers
Lubricity enhancers are additives that improve the lubricating properties of diesel fuel, which is essential for protecting engine components from wear and tear. This is especially important for modern engines with high-pressure fuel systems. If you have a newer vehicle or drive long distances regularly, ensuring your fuel has adequate lubricity can help extend the life of your engine components.
Anti-Gel Additives
Anti-gel additives are designed to prevent diesel fuel from gelling in cold temperatures, which can cause starting problems and fuel system blockages. These additives are particularly important for those living in colder climates or during winter months. If you experience cold weather conditions, using an anti-gel additive can ensure your vehicle starts reliably and runs smoothly.
Corrosion Inhibitors
Corrosion inhibitors are additives that protect metal surfaces within the engine and fuel system from rust and corrosion. This is important for maintaining the integrity and performance of your engine over time. If you live in a humid or coastal area where corrosion is more likely, or if your vehicle is not used frequently, a corrosion inhibitor can be a wise choice to protect your engine.
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