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

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

1
9.7/10 our score

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

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

2
9.5/10 our score

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

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

3
9.1/10 our score

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

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

4
8.8/10 our score

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

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

5
8.6/10 our score

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

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

6
8.3/10 our score

  • Removes stiction, common in heui injectors, without using harmful and dangerous chemical strippers.
  • 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.
  • Extends the service life of all synthetic, semi-synthetic, and mineral based oils providing a reduction of wear of all treated engine components.
  • 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.
  • Greatly improves or eliminates cold start issues in all diesel engines.

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

7
8.1/10 our score

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

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