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Diesel Additives

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  • Diesel All-In-One

    Diesel All-In-One


    • One ounce treats up to 2.5 gallons of fuel
    • Combines the benefits of AMSOIL Diesel Injector Clean, Diesel Cold Flow and Diesel Cetane Boost in one convenient package
    • Delivers outstanding detergency, improved lubricity, better cold flow and higher cetane
    • Provides excellent all-season protection and performance
    • Provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.1
    • Provides as much as 32˚F (18°C) better protection against cold temperature gelling than Howes* Lubricator Diesel Treat2

    *All trademarked names are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
    1Fuels tested in 2017.
    2Based on third-party testing in July 2017 of AMSOIL Diesel All-In-One and Howes Lubricator Diesel Treat using diesel fuel representative of the U.S. marketplace and Howes’ recommended treat ratio for above 0°F (-17.8°C.)

    View Detail Page Warning - Click here for Proposition 65 information for this product
    Current price:

    $7.89

    Retail Price (USD)
    Preferred Price: $5.99
    Save: $1.90 Learn More
    Current price:

    $7.89

    Retail Price (USD)
    Preferred Price: $5.99
    Save: $1.90 Learn More
  • Diesel Injector Clean

    Diesel Injector Clean


    • One ounce treats up to 5 gallons of fuel (The 8-oz. bottle has a different treat rate: one bottle treats up to 20 gallons)
    • Cleans dirty injectors
    • Lubricates pumps and injectors to reduce wear
    • Restores power and torque
    • Reduces smoke and emissions
    • Reduces downtime and maintenance costs
    View Detail Page Warning - Click here for Proposition 65 information for this product
    Current price:

    $6.39

    Retail Price (USD)
    Preferred Price: $4.79
    Save: $1.60 Learn More
    Current price:

    $6.39

    Retail Price (USD)
    Preferred Price: $4.79
    Save: $1.60 Learn More
  • Diesel Cetane Boost

    Diesel Cetane Boost


    Serious Performance Boost

    • One ounce treats up to 10 gallons of fuel
    • Increases cetane up to 8 points
    • Delivers maximum horsepower
    • Increases fuel economy
    • Improves startability
    • Smooths idle
      View Detail Page
      Current price:

      $12.19

      Retail Price (USD)
      Preferred Price: $9.29
      Save: $2.90 Learn More
      Current price:

      $12.19

      Retail Price (USD)
      Preferred Price: $9.29
      Save: $2.90 Learn More
    • Diesel Cold Flow

      Diesel Cold Flow


      Combats fuel gelling in cold weather

      AMSOIL Diesel Cold Flow (ADD) combats diesel fuel gelling by improving diesel cold-flow ability. It is formulated with an advanced deicer to enhance fuel flow and help prevent fuel filter plugging in cold temperatures. New formula treats double the fuel.
      View Detail Page Warning - Click here for Proposition 65 information for this product
      Current price:

      $11.69

      Retail Price (USD)
      Preferred Price: $8.89
      Save: $2.80 Learn More
      Current price:

      $11.69

      Retail Price (USD)
      Preferred Price: $8.89
      Save: $2.80 Learn More
    • Diesel Recovery

      Diesel Recovery


      Emergency Fuel Treatment for Gelled Diesel Fuel

      AMSOIL Diesel Recovery (DRC) is an emergency diesel fuel treatment that dissolves the wax crystals that form when diesel fuel has surpassed its cloud point. Diesel Recovery liquefies gelled diesel fuel and thaws frozen fuel filters, avoiding costly towing charges and getting diesels back on the road. For preventative maintenance, use Diesel Cold Flow (ADD) or Diesel All-In-One (ADB).
      View Detail Page Warning - Click here for Proposition 65 information for this product
      Current price:

      $16.09

      Retail Price (USD)
      Preferred Price: $12.39
      Save: $3.70 Learn More
      Current price:

      $16.09

      Retail Price (USD)
      Preferred Price: $12.39
      Save: $3.70 Learn More
    • Diesel Injector Clean + Cetane Boost

      Diesel Injector Clean + Cetane Boost


      • Combines the benefits of AMSOIL Diesel Injector Clean and Diesel Cetane Boost in one convenient package
      • Delivers outstanding detergency, improved lubricity and increased horsepower and cetane
      • Provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.1
      • Reduces smoke and emissions
      • One ounce treats up to 5 gallons of fuel (The 8-oz. bottle has a different treat rate: one bottle treats up to 20 gallons)
        1Fuels tested in 2017.

      View Detail Page Warning - Click here for Proposition 65 information for this product
      Current price:

      $6.59

      Retail Price (USD)
      Preferred Price: $5.09
      Save: $1.50 Learn More
      Current price:

      $6.59

      Retail Price (USD)
      Preferred Price: $5.09
      Save: $1.50 Learn More
    Buy Four Quarts Bottles of Motor Oil Get One Free. Use Code: FREEBOTTLE. Order Now. *Exclusions apply. Limited to passenger-car/light-truck motor oil for gasoline engines.
    P.i.® for $5 with $49 Order. Use Code: 5PI. Order Now. *Exclusions apply.