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Signature Series Gasoline Motor Oil

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  • AMSOIL Signature Series 0W-16 100% 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 using the ASTM D6891 standard test.
    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 Signature Series 0W-20 100% 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 using the ASTM D6891 standard test.
    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 Signature Series 0W-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 using the ASTM D6891 standard test.
    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 Signature Series 0W-40 100% 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 using the ASTM D6891 standard test.
    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 Signature Series 5W-20 100% 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 using the ASTM D6891 standard test.
    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 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 using the ASTM D6891 standard test.
    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 Signature Series 5W-50 100% 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 using the ASTM D6891 standard test.
    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 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 using the ASTM D6891 standard test.
    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
FREE Mudslinger with $75 Order. Plus, earn double rewards as a Preferred Customer, including $5 back. Order Now. Use Code: FREEMS. *Exclusions apply.
Preferred Customers earn double rewards with every $100 you spend, such as $5 + $5. Order Now. *Exclusive offer for Preferred Customers. Exclusions apply.

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