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Why Synthetic
WHY SYNTHETIC OIL?

Learn about the differences between conventional and synthetic lubricants, review performance test results or learn more about AMSOIL in general.

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SHOP ONLINE

Browse the full line of AMSOIL synthetic lubricants, filters, fuel additives and more. Place your order online and have it shipped direct to your house.

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Save Money
SAVE MONEY

Order $100 or more in AMSOIL products and receive free shipping, OR become a Preferred Customer and save up to 25 percent on every order.

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Diesel Proof
Protection Boosted to the Max

AMSOIL Signature Series Max-Duty Synthetic Diesel Oil provides 6X more wear protection than required by a leading industry standard1.

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Synthetic vs. Conventional

Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.

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Synthetic vs. Conventional

HIGH-PERFORMANCE SYNTHETIC MOTOR OILS AND LUBRICANTS

Save as a Preferred Customer
SAVE AS A PREFERRED CUSTOMER
  • $10 for a six-month membership
  • Save up to 25% on Every Order
  • Exclusive promotions and more
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AMSOIL Garage
MYAMSOILGarage
  • Stores Maintenance info for all your vehicles
  • Delivers product recommendations
  • Tracks oil & filter changes
  • Emails reminders
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AMSOIL Newsstand
AMSOIL NEWSSTAND

Browse the latest articles and videos to find out what’s new at AMSOIL.

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AMSOIL Performance Tests
PERFORMANCE TESTING

See how AMSOIL products perform in the lab and in the field.

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Free catalog

Browse the full line of premium AMSOIL products in the latest AMSOIL factory direct catalog.

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AMERICAN INNOVATION

As one of a few independently owned oil companies, we've always stood apart from the big oil companies. We maintain the freedom to formulate products based on performance, not price. The result is a complete product line of full-synthetic lubricants that helps you push the limits of vehicle performance, power and speed

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