Best Additive For Diesel Engines in 2022 [*Top Picks*]

Looking for the best additive for diesel engines on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

2266 Reviews Scanned

  • STAR BRITE Star Tron Enzyme Fuel Treatment - Super Concentrated Diesel Formula - 1 oz. Treats 32 Gallons - 8 OZ (093108SS)
    Bestseller #1
    STAR BRITE Star Tron Enzyme Fuel Treatment - Super Concentrated Diesel Formula - 1 oz. Treats 32 Gallons - 8 OZ (093108SS) (386)
      Makes engines start easily and run smoothly; improves economy and reduces emissions and carbon build-up from burners, injectors and exhaust components For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel Disperses water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions Super Concentrated Diesel Formula 931XX is economical to use in large applications; safe for use in all engines and fuels, including heating oil
  • Motorcraft VC8 Diesel engine coolant additive - 1 Pint(473 ml)
    Bestseller #1
    Motorcraft VC8 Diesel engine coolant additive - 1 Pint(473 ml) (1823)
      In all heavy-duty, diesel engine cooling systems equipped with green-colored Motorcraft Premium Engine Coolant meeting Ford Specification ESE-M97B44-A In all heavy-duty, diesel engine cooling systems equipped with yellow-colored Motorcraft Premium Gold Engine Coolant meeting Ford Specification WSS-M97B51-A1 Designed to replace additives depleted between coolant change-outs Now dyed yellow to eliminate engine coolant color change when mixing
  • TriboTEX Nano Oil Additive Car Engine Treatment: Add to Engine Lube - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)
    Bestseller #1
    TriboTEX Nano Oil Additive Car Engine Treatment: Add to Engine Lube - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel) (20)
      GROUNDBREAKING: Made in the USA – TriboTEX is a revolutionary engine oil additive. It contains synthetic nanoparticles developed with funding from the U.S. Department of Energy, NASA, & the National Science Foundation. QUIETER & SMOOTHER PERFORMANCE: Reverses wear in bearings by building a diamond-like carbon coating. UNIVERSAL: Compatible with all types of motor oil and can be used in gas or diesel engines. Use for both old and new cars. It is an excellent engine booster. EFFICIENT: Our masterfully engineered engine treatment improves fuel consumption and reduces engine noise. It is time to improve your engine and take your driving experience to a new level. GUARANTEED QUALITY: We know you will be delighted with this ground-breaking technology. Our treatment comes with a 100% satisfaction guarantee.
  • Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons
    Bestseller #1
    Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons (3320)
      Take care of your engine with an every-tank solution for better performance and health Boosts cetane up to 7 points for better fuel economy and maintenance Adds lubricity to protect fuel system including pump and injectors Prevents rust and corrosion, disperses moisture and adds stability to fuel Backed by science and a 100% satisfaction guarantee
  • Hot Shot's Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z) Amber, 32 Fluid Ounce
    Bestseller #1
    Hot Shot's Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z) Amber, 32 Fluid Ounce (386)
      Fuel system cleaner for diesel cleans injector tips, cylinders, fuel lines and tank and dispenses moisture Boosts cetane up to 7 PTS to provide maximum performance while cleaning your diesel's fuel system Restores throttle and contains the most concentrated detergent formula on the market Fuel system cleaner improves cold starting and effectively eliminates black smoke Increases fuel mileage and enhances lubricity
  • Stanadyne Performance Formula Diesel Fuel Additive - 16 Oz. Case of 12
    Bestseller #1
    Stanadyne Performance Formula Diesel Fuel Additive - 16 Oz. Case of 12 (101)
      Restores/Increase Horsepower: detergents clean deposits in the injection system Reduces Fuel Consumption tests show an average of 4 percent improvement in MPG and gains up to 9.6 Percent Cetane Improver improves combustion resulting in better engine starting, running and reduced noise Reduces Wear: Lubricity improvers restore lubricity to ultra low sulfur diesel fuels Reduces Emissions reduces Smoke and Particulates
  • WYNNS Stop Smoke Oil ADDITIVE Petrol Diesel Engines Reduce Exhaust Smoke
    Bestseller #1
    WYNNS Stop Smoke Oil ADDITIVE Petrol Diesel Engines Reduce Exhaust Smoke (2167)
      Reduces exhaust smoke due to oil burning. Improves the viscosity properties of the oil at high oil temperatures. Seals the gaps between worn engine components. Improves compression and engine performance. Reduces engine noise and Ensures a strong protective oil film under high temperature conditions.
  • Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: 1 Gallon with Accessories (HDPE Plastic Hand Pump and 2 Empty 4oz Bottles) Treats up to 1,280 Gallons
    Bestseller #1
    Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: 1 Gallon with Accessories (HDPE Plastic Hand Pump and 2 Empty 4oz Bottles) Treats up to 1,280 Gallons (83)
      MADE FOR OPTIMAL LUBRICATION: Your truck has been there for you every minute and every mile, which is why it’s important to keep it in pristine condition. At Opti-Lube, our goal is to keep your engine operating at its best. Our fuel additive helps to increase the lubricity properties of ultra-low-sulfur diesel (ULSD) so that you can play more and worry less. IMPROVES FUEL ECONOMY: Trucks are known for eating up fuel. Fortunately, there’s a way to fix that with Opti-Lube XL Xtreme Lubricant formula. This diesel fuel additive has been shown to enhance fuel mileage, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for summer driving. CLEANS INJECTORS: When your fuel injectors build up with residue, your engine doesn’t run as efficiently. Opti-Lube XL Xtreme Lubricant formula cleans injectors and helps prevent future build-up. This helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. Additionally, it acts as rust and corrosion prevention to keep your vehicle in tip-top shape. ENHANCES PERFORMANCE: Whether during rain, snow, or shine, Opti-Lube XL Xtreme Lubrication formula delivers. It works to improve the performance of your truck all year round. This fuel additive also helps separate water from Diesel fuel as a demulsifier and more than doubles the storage life of standard diesel fuel. COMES WITH ACCESSORIES: With your purchase, you’ll receive 1 gallon of Opti-Lube XL Xtreme Lubricant Formula Diesel Fuel Additive, a convenient hand pump, and 2 empty 4-ounce bottles for on-the-go travel. This diesel fuel treatment isn’t just limited to trucks; use it for your farm and construction equipment too!
  • Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems
    Bestseller #1
    Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems (200)
      16oz AR9100 Friction Modifier - treats one Power Stroke Fixes 6.0L and 7.3L Power Stroke cold start injector problems Reduces wear and extends component life Reduces engine noise, vibration and heat For all diesel and gasoline engines, gearboxes, hydraulics, differentials and power steering systems
  • REV X Super Ultimate Kit for Diesel - 4oz High Performance Oil Additive (2) + 8oz Ultimate Fuel Treatment (2)
    Bestseller #1
    REV X Super Ultimate Kit for Diesel - 4oz High Performance Oil Additive (2) + 8oz Ultimate Fuel Treatment (2) (175)
      Greatly Improves Starting In Cold Weather and Dissolves Stiction in Powerstroke Diesels. Increases Efficiency, Horsepower, Torque & Lubrication Service Life. REV X is safe for all Soft and Exotic Metals. Reduces Exhaust Emissions and Diesel Smoke. Cleans entire Fuel System and Oil System. Ultimate goes in the fuel tank and Oil Additive Goes in your Engine.
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