Synthetic engine oil

Innovation and Leadership
Synthetic engine oil, 5W-30, 5w-20 and 10w -30 We have a documented history of innovation and leadership. In 1972, AMSOIL introduced the first American Petroleum Institute rated 100% best synthetic engine oil for automotive applications. AMSOIL was the first to introduce a concept of extended drain intervals with a 25,000-mile or 12 month drain interval. Our lubricant technology has been field tested over the last 35 years in the most severe driving conditions. Including family fleets, over the road big rigs, towing, hauling and of course racing.

3 Levels of High Performance Engine Oils - 25k, 10k & OEM

Amsoil 3 grades, 25k, 10k, oem recommended

Amsoil synthetic motor oil Signature series

AMSOIL Signature Series Line (25 k mile/1 yr drain interval)

AMSOIL 0W-20 (ASM), 5W-30 (ASL) and 10W-30 (ATM) Synthetic Motor Oils join AMSOIL Signature Series 0W-30 to round out the new Signature Series line. Signature Series 0W-30 is now identified by product code AZO. Product code SSO will be discontinued and is only available while supplies last.

In addition to being reformulated to meet the latest API SN Resource Conserving and ILSAC GF-5 industry specifications, the new Signature Series line features all-new packaging and represents the very best motor oils AMSOIL has to offer, allowing motorists to take advantage of maximum extended drain intervals. In the interest of consistency and clarity within the Signature Series line, all four motor oils are recommended for drain intervals of up to 25,000 miles/one year, whichever comes first (15,000 miles/one year in severe service conditions). Click to see 25 k mile oil page.

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Amsoil 10k mile oils

AMSOIL XL Extended Life Synthetic Motor Oils (10 k mile/6 mo drain interval)

AMSOIL XL Extended Life Synthetic Motor Oils provide better wear control, high- and low-temperature protection and increased fuel economy compared to conventional oils. Formulated with extended-drain boost technology, AMSOIL XL Synthetic Motor Oils provide superior performance for up to 10,000-miles/six months, or longer when recommended in owner’s manuals or indicated by electronic oil life monitoring systems. Click here to See all the 10k mile oils.

Amsoil 6 mo Trial PC membership / Dealer Info

Why are we offering this 6 month Trial Membership? We believe any AMSOIL user can benefit by becoming a Preferred Customer (PC). As a PC you can buy AMSOIL lubricants at wholesale prices (the same prices AMSOIL Dealers pay) and have AMSOIL shipped direct to your home or business. Furthermore, when you sign up using this form, we will be able to assist you in the proper selection of lubricants and filtration products for your application. Thanks in advance for registering.

If you would like to contact us or have questions or feedback about our products and services, please send your request using the form below. Feel free to call with your questions.

It's quick and easy to register. Click the link to register as a AMSOIL Preferred Customer 6 month trial membership.

NO OBLIGATION TO RENEW and YOUR MEMBERSHIP WILL NOT RENEW AUTOMATICALLY!!

IT'S ALL IN YOUR CONTROL AFTER THE TRIAL PERIOD IS OVER.

Amsoil Preferred customer or Dealership Information Request form

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