If you are looking for collection of best do they work diesel additives, Your search ends here.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Hot Shots Secret Fuel System READ REVIEW

Best With Fuel Mileage: Buy: Howes Do They Work Diesel Additive READ REVIEW

Best For Lawn Mower: Buy: Stabil Do They Work Diesel Additive READ REVIEW

Best For Great Price: Buy: Stanadyne Do They Work Diesel Additive READ REVIEW

Best For Great Efficiency: Buy: Hot Shots Secret Do They Work Diesel Additive READ REVIEW

Best For Less Noise: Buy: Star Brite Do They Work Diesel Additive READ REVIEW

Best With Biodiesel Additives: Buy: Stabil Fuel System READ REVIEW

Best Overall: Hot Shots Secret Fuel System

Buy on Amazon

The look and feel of these additives are consistent with the high quality we're used to from the rest of Hot Shots Secret's lineup. The Hot Shots Secret Fuel System can have the stability of fuels will be greatly increased and diesel engines will be kept in a cleaner, more maintenance-free condition. Make sure this fits by entering your model number. These products offer highly concentrated formulas that are much more effective than the diluted bottled products commonly found on the retail shelf.

Above all, the hot shots secret fuel system boosted the fuel milage and it has stabilized fuel.

Almost all customers opine that the additive is great with hot shot's secret. And, they strongly agree that the additive is literally an ounce of prevention. And, a few also found that the EDT has the lx4 additive already mixed in with it. To sum up, many have used the hot shots secret fuel system for more than a few months without any complaints, and it shows no sign of giving up.

• This is designed to be a daily or every fill up fuel treatment.
• Add lubricity and protect expensive fuel system components with infused lx4 lubricity extreme formulation.
• This is a great choice for any diesel engine, including.
• It has a diesel engine, so it will work in it.

Best With Fuel Mileage: Howes Do They Work Diesel Additive

Buy on Amazon

The theywork diesel additive's material feels more premium than its price would suggest. How do theywork ? The diesel additive is designed for a great price, runs way hard and it is made for good stuff. Prevents gelling in even the coldest weather, diesel owners choose the family’s formula to keep them going. Also, this is good for peace of mind and it has noticed a difference.

The additive provides increased lubricity to injectors, pumps and upper cylinders, adding to engine performance and life with today’s ultra low sulfur diesel (ulsd) fuels. Further, it allows for better fuel economy and it runs great. Most importantly, how dothey work ? Diesel additive is a premium petroleum - based product that demulsifies water, safely removing it from diesel fuel.

Most buyers quickly discovered that the additive is great for filling the fuel filters when installing them, too. In addition, they strongly agree that the additive has enough to treat over 300 gallons of fuel. In addition, they strongly agree that the additive is easy to tell that the engine is working more smoothly. To sum up, buyers found this to be one of the best additives for daily purposes.

• This is a cheap way to prevent an expensive problem.
• Particulate filter friendly and warranty safe for all diesel emission systems.
• This is good as higher priced additives.
• This has been used for 30 years in diesel equipment from tractor'ss to trucks.

Best For Lawn Mower: Stabil Do They Work Diesel Additive

Buy on Amazon

The stabil do work diesel additive is suitable and reliable and fits well with your daily purpose. The stabil do work. Diesel additive removes water and it is the best thing. Sta-bil diesel formula fuel stabilizer is a diesel additive that keeps fuel fresh for quick, easy starts and maximized engine performance. Further, it is for throttle response and it works fine.

The additive can get for the same price, is very good and it works as advertised. Further, this is designed for use with all diesel engines, and all diesel fuels, Sta-bil diesel fuel stabilizer formula prevents sludge and sediment formation, cleans and lubricates fuel injectors to improve performance and helps remove water. Finally, the stabil do work. Diesel additive comes with great stuff, have used this for years and it is easy to use.

Almost all customers quickly discovered that the additive is best with double that amount of sta-bil 22254 additive. And, a few also found that the additives are all based on pretty sketchy evidence. Further, they strongly agree that the additive can be used in diesel storage containers to inhibit water building up in the tank. Overall, many have used the additive for more than a few months without any problems, and it shows no sign of giving up.

• This is great for prolonging fuel life will buy again.
• This additive works very well, virtually eliminates fuel related problems.
• It will take time to know if it really works.
• Helps remove water that bacteria, fungus and algae require for growth.

Best For Great Price: Stanadyne Do They Work Diesel Additive

Buy on Amazon

The stanadyne uses diesel additive'sss superior materials, making sure that it ages well with use. The Stanadyne Do They Work Diesel Additive reduces wear and it is designed for a great price. Corrosion inhibiters will protect the fuel system from rust and corrosion. Further, the additive runs smoother, has better acceleration and it has fast standard shipping.

The additive improves diesel pour point up to 40°f (22°c), and cold filter plug point by up to 25°f (13°c), depending on base fuel. Above all, the stanadyne do workdiesel additive reduces fuel consumption. Tests show an average of 4 percent improvement in mpg and gains up to 9.6 percent.

Almost all customers agree that the additive is water that promotes the growth of algae and bacteria. Further, they strongly agree that the additive is normally done at 150k. Further, they also found that the detergency and cetane improver in the performance formula will help restore your fuel economy, plus increase horsepower and torque. In short, for almost all customers, the additive was just what they wanted.

• This will last 12 months and it will be stored in the garage without deterioration.
• This is a fuel conditioner, which should improve performance with regular use.
• This protects against formations of gums caused by oxidation.
• Restores/increase horsepower: detergents clean deposits in the injection system.

Best For Great Efficiency: Hot Shots Secret Do They Work Diesel Additive

Buy on Amazon

The hot shots do work. Diesel additive should be able to handle its purpose and duties with ease. The hot shots do work. The dieseladditive is completely ashless and complies with the federal guidelines for low sulfur content in diesel vehicles and engines. Take care of your engine with an every-tank solution for better performance and health. Moreover, the additive provides significantly increased ignition efficiency with all diesel fuels.

Lastly, the hot shots do work. The diesel additive is for throttle response and it prevents rust.

Most customers agree that the additive is good for gas engines, nor is anything in the description. Moreover, a few say that the additive offers a higher cetane boost in addition to a moisture dispersent. Moreover, a few say that the additive is specifically engineered for diesel. In conclusion, many buyers have used the hot shots secret dothey workdiesel additive for more than a few months without any issues, and it shows no sign of giving up.

• The ratio for your EDT treatment goes as follows.
• This is formulated to be ash free and is safe for all diesel.
• This is great with great stuff, has improved mileage and it makes for great efficiency.
• This comes in small bottles, but it a much better value.

Best For Less Noise: Star Brite Do They Work Diesel Additive

Buy on Amazon

The best part: star brite does work. Diesel additive costs comparatively low and it is available to ship in 24 hours. The star brite does work. dieseladditive has stabilized fuel and it runs great. Super concentrated diesel formula 931xx is economical to use in large applications. And, the additive has followed the instructions, runs smoother and it is best for less noise.

Finally, the star brite work diesel additive is for use in all engines and it works great.

Most customers found that the additive works in heating oil too. Also, a few strongly agree that the additive is best for preventing algae. And, a few also found that this arctic formula prevents fuel gelling and protects against fuel - filter icing. Overall, buyers found this to be one of the best additives for daily purposes.

• This will keep lawnmowers and chainsaws and generators from getting the dreaded yellow paste.
• This is superior to biocide based products.
• This is generally 1 oz for every 8 gallons.
• This is used for seasonal storage, helps control water and it definitely has more pep.

Best With Biodiesel Additives: Stabil Fuel System

Buy on Amazon

stabil line of additives comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. Also, this cleans and lubricates the entire fuel system. The Manufacturer says: One thing that has us leading the pack is the way our fuel additive de-emulsifies water. Most importantly, the Stabil Fuel System is safe for all diesel engines and it comes packaged in an easy pour, non-slip, bottle.

Most buyers agree that the additive is good as oem fuel conditioner, even the bottles are the same, but at a much lower cost. And, they strongly agree that the additives are strongly recommended that the proper dosage amounts for each are used. In conclusion, most buyers agree that the additive is functionally comfort, and no one questions it.

• This does not contain a biocide, which would be needed should contamination occur.
• Manufacturer says: so, we added anti-gel protection down to a chilly.
• This is compatible with biodiesel additives.
• This advanced formula is proven to protect your diesel engines under the harshest conditions.