Best Diesel Engine Fuel Additives In May 2025

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If you are considering to buy the Best Diesel Engine Fuel Additives, you should go through this product guide.

To help you in your search, we have completed this list of the Best Diesel Engine Fuel Additives.

Top Rated Best Diesel Engine Fuel Additives Of 2025

Rank	Product Name	Score
1	Hot Shot's Secret Everyday Diesel Treatment - EDT 16 oz Squeeze - Treats Buy Now	9.7 Buy Now
2	Sea Foam SF-16 Motor Treatment - 16 oz Buy Now	9.5 Buy Now
3	Hot Shot's Secret Diesel Extreme, 1 Qt Buy Now	9.1 Buy Now
4	Hot Shot's Secret P040416Z Diesel Extreme Clean and Boost - 16 fl. oz Buy Now	8.8 Buy Now
5	Hot Shot's Secret Diesel Extreme Clean and Boost - 64 fl. oz Buy Now	8.6 Buy Now
6	REV X Stiction Fix Oil Treatment - Two 4 fl. oz. Bottles Buy Now	8.3 Buy Now
7	Lucas Oil 10020-PK24 Fuel Treatment Additive - 5.25 oz, (Pack of 24) Buy Now	8.1 Buy Now

1. Hot Shot's Secret Everyday Diesel Treatment - EDT 16 oz Squeeze - Treats

• Boosts cetane up to 7 points
• 1-2 oz per 25 gal of diesel fuel
• Increases power, performance, and fuel economy
• Increases lubricity & prevent rust and corrosion
• Treats 400 gallons
• Stabilize fuel & disperse moisture

2. Sea Foam SF-16 Motor Treatment - 16 oz

• Special shipping information: this item cannot be returned and has additional shipping restrictions
• Dissolves oil deposits in crankcase
• Cleans and lubricates intake valves, pistons and cylinders
• Liquefies gum and varnish deposits or internal engine contaminants
• 100 percent pure petroleum
• Cleans injectors, carb jets and passageways

3. Hot Shot's Secret Diesel Extreme, 1 Qt

• Increases mileage & diesel fuel lubricity
• Boosts cetane up to 7 pts
• Restores throttle
• Top tier lubricity enhancement
• Cleans injector tips
• Reduces need for dpf regeneration cycles up to 50%

4. Hot Shot's Secret P040416Z Diesel Extreme Clean and Boost - 16 fl. oz

• Clean out the tank, lines and injectors
• Stabilize fuel, boost cetane
• Lubricate the fuel pump and injectors
• Coat the tank and lines with a rust and corrosion inhibitor
• Remove free water from the system

5. Hot Shot's Secret Diesel Extreme Clean and Boost - 64 fl. oz

• Stabilize fuel, boost cetane
• Coat the tank and lines with a rust and corrosion inhibitor
• Lubricate the fuel pump and injectors
• Clean out the tank, lines and injectors
• Remove free water from the system

6. REV X Stiction Fix Oil Treatment - Two 4 fl. oz. Bottles

• Removes stiction, common in heui injectors, without using harmful and dangerous chemical strippers.
• Greatly improves or eliminates cold start issues in all diesel engines.
• Quiets engine noise while cleaning harmful deposits, varnish and sludge in all engines. reduces friction by creating a microscopic friction reduction layer on all treated components to reach areas standard oils can not.
• Extends the service life of all synthetic, semi-synthetic, and mineral based oils providing a reduction of wear of all treated engine components.
• Two 4 fl. oz. bottles of rev x high performance oil additive in our stiction fix retail box. will treat up to 12 quarts of oil.

7. Lucas Oil 10020-PK24 Fuel Treatment Additive - 5.25 oz, (Pack of 24)

• A great tune-up in a bottle
• Increases the life of pumps and injectors
• Cleans and lubricates the fuel system
• Neutralizes low sulfur fuel problems
• Increases power and miles per gallon by burning excess exhaust emissions