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  • AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil


    A New Level of Motor Oil Technology

    • 75% more engine protection against horsepower loss and wear.1
    • 50% more cleaning power vs. AMSOIL OE Motor Oil
    • Protects turbochargers 72% better than required2 by the GM dexos1 Gen 2 specification.
    • 28% more acid-neutralizing power than Mobil 1.3
    • Trusted by professional engine builders
    • Guaranteed protection for up to 25,000 miles or 1 year

    1Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification.
    2Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.
    3Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.

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    Current price:

    $15.49

    Retail Price (USD)
    Preferred Price: $11.89
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    Current price:

    $15.49

    Retail Price (USD)
    Preferred Price: $11.89
    Save: $3.60 Learn More
  • AMSOIL Signature Series 10W-30 100% Synthetic Motor Oil


    A New Level of Motor Oil Technology

    • 75% more engine protection against horsepower loss and wear.1
    • 50% more cleaning power vs. AMSOIL OE Motor Oil
    • Protects turbochargers 72% better than required2 by the GM dexos1 Gen 2 specification.
    • 28% more acid-neutralizing power than Mobil 1.3
    • Trusted by professional engine builders
    • Guaranteed protection for up to 25,000 miles or 1 year

    1Based on independent testing of AMSOIL Signature Series 0W-20, in ASTM D6891 as required by the API SN specification.
    2Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.
    3Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.

    View Detail Page
    Current price:

    $15.49

    Retail Price (USD)
    Preferred Price: $11.89
    Save: $3.60 Learn More
    Current price:

    $15.49

    Retail Price (USD)
    Preferred Price: $11.89
    Save: $3.60 Learn More
  • AMSOIL Extended-Life 5W-30 100% Synthetic Motor Oil


    • 37% more cleaning power1 to help keep your engine running smoother, longer.
    • Protects against LSPI
    • 20,000 miles of guaranteed protection between changes2

    1Compared to AMSOIL OE Synthetic Motor Oil.
    2Normal Service – Up to 20,000 miles (32,000 km) or one year, whichever comes first, in personal vehicles not operating under severe service.

    View Detail Page
    Current price:

    $13.09

    Retail Price (USD)
    Preferred Price: $9.89
    Save: $3.20 Learn More
    Current price:

    $13.09

    Retail Price (USD)
    Preferred Price: $9.89
    Save: $3.20 Learn More
  • AMSOIL Extended-Life 10W-30 100% Synthetic Motor Oil


    • 37% more cleaning power1 to help keep your engine running smoother, longer.
    • Protects against LSPI
    • 20,000 miles of guaranteed protection between changes2

    1Compared to AMSOIL OE Synthetic Motor Oil.
    2Normal Service – Up to 20,000 miles (32,000 km) or one year, whichever comes first, in personal vehicles not operating under severe service.

    View Detail Page
    Current price:

    $13.09

    Retail Price (USD)
    Preferred Price: $9.89
    Save: $3.20 Learn More
    Current price:

    $13.09

    Retail Price (USD)
    Preferred Price: $9.89
    Save: $3.20 Learn More
  • AMSOIL Extended-Life 10W-40 100% Synthetic Motor Oil


    • 37% more cleaning power1 to help keep your engine running smoother, longer.
    • Protects against LSPI
    • 20,000 miles of guaranteed protection between changes2

    1Compared to AMSOIL OE Synthetic Motor Oil.
    2Normal Service – Up to 20,000 miles (32,000 km) or one year, whichever comes first, in personal vehicles not operating under severe service.

    View Detail Page
    Current price:

    $13.09

    Retail Price (USD)
    Preferred Price: $9.89
    Save: $3.20 Learn More
    Current price:

    $13.09

    Retail Price (USD)
    Preferred Price: $9.89
    Save: $3.20 Learn More
  • AMSOIL OE 5W-20 100% Synthetic Motor Oil


    • Fights sludge and deposits with 100% synthetic formulation.
    • 47% more wear protection1 than required by the GM dexos1 Gen 2 specification.
    • 100% protection against LSPI2 in the engine test required by the GM dexos1 Gen 2 specification.

    1Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
    2Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.

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    Current price:

    $9.99

    Retail Price (USD)
    Preferred Price: $7.49
    Save: $2.50 Learn More
    Current price:

    $9.99

    Retail Price (USD)
    Preferred Price: $7.49
    Save: $2.50 Learn More
  • AMSOIL OE 5W-30 100% Synthetic Motor Oil


    • Fights sludge and deposits with 100% synthetic formulation.
    • 47% more wear protection1 than required by the GM dexos1 Gen 2 specification.
    • 100% protection against LSPI2 in the engine test required by the GM dexos1 Gen 2 specification.

    1Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
    2Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.

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    Current price:

    $9.99

    Retail Price (USD)
    Preferred Price: $7.49
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    Current price:

    $9.99

    Retail Price (USD)
    Preferred Price: $7.49
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  • AMSOIL Premium Protection 10W-40 100% Synthetic Motor Oil


    • High-zinc formula guards against wear
    • Ideal for flat-tappet cams
    • Resists deposits to help keep engines clean
    • Convenience of use for gas and diesel engines
    View Detail Page Warning - Click here for Proposition 65 information for this product
    Current price:

    $15.39

    Retail Price (USD)
    Preferred Price: $11.79
    Save: $3.60 Learn More
    Current price:

    $15.39

    Retail Price (USD)
    Preferred Price: $11.79
    Save: $3.60 Learn More
  • AMSOIL Premium Protection 20W-50 100% Synthetic Motor Oil


    • High-zinc formula guards against wear
    • Ideal for flat-tappet cams
    • Resists deposits to help keep engines clean
    • Convenience of use for gas and diesel engines
    View Detail Page Warning - Click here for Proposition 65 information for this product
    Current price:

    $15.99

    Retail Price (USD)
    Preferred Price: $12.29
    Save: $3.70 Learn More
    Current price:

    $15.99

    Retail Price (USD)
    Preferred Price: $12.29
    Save: $3.70 Learn More
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