AMSOIL PRODUCTS

QUALITY MOTOR OIL & LUBRICANTS SHIPPED NATIONWIDE RIGHT FROM THE AMSOIL DISTRIBUTION CENTER!

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CLEANERS/PROTECTANTS

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WE ARE YOUR AMSOIL INDEPENDENT DEALER

Our AMSOIL Independent Dealer website is your source for AMSOIL products! We supply wholesale motor oil and lubricants nationwide on behalf of AMSOIL Inc. Many of our customers are businesses who benefit from the advantages that AMSOIL provides, as well as some who also choose AMSOIL for their oil change intervals and either take it to a oil change service location or they do it yourself.

We named our website after the Alaska Highway considering the historical nature of this main transportation route supplying materials including oil and lubricants in Alberta, British Columbia, the Yukon Territory and onward into the Alaska.

To become one of our customers, please sign up for one of the AMSOIL accounts below (use the link) and we will be notified of your account. We will then reach out to you with promotions, news, product highlights and more!

CREATE A FREE ACCOUNT

Having an AMSOIL account will give you the freedom to order the motor oil and lubricant products you want, when you want, with no membership fee. Orders are done online and shipped direct to your location, or available for pickup from the AMSOIL Anchorage Distribution Centre!

AMSOIL PREFERRED CUSTOMER MEMBERSHIP

Get up to 25% off AMSOIL products and other benefits with this annual membership ($20 USD / $30 CDN)

SIGN UP FOR A WHOLESALE BUSINESS ACCOUNT

AMSOIL Commercial Account

Use AMSOIL in company equipment

AMSOIL Retail Account

Sell AMSOIL products in your store

AMSOIL Installer Account

Use AMSOIL products are part of a service you provide

ABOUT AMSOIL

We are your Independent AMSOIL Dealer! Since 1972, AMSOIL Inc. has produced high-performance and specialized synthetic lubricants known for superior quality oils, fluids, and filters for a wide range of automotive and industrial applications. One of its standout benefits is its ability to provide exceptional protection and performance in extreme conditions, from high heat to cold weather. AMSOIL products are engineered to reduce friction, which leads to improved engine efficiency, fuel economy, and reduced wear and tear on components. This contributes to extended engine life and reduced maintenance costs over time and is considered by many as the best synthetic oil available! Additionally, if you ask is AMSOIL dexos approved, the answer is yes!

One of the key features of these products is their long-lasting durability. Their synthetic motor oil product line has extended drain intervals, meaning fewer oil changes are required, saving both time and money. Additionally, AMSOIL products are known for their advanced formulation, offering superior oxidation stability, corrosion resistance, and cleanliness for engines, transmissions, and other systems. This prevents sludge and deposits from forming, further enhancing performance. Popular products include AMSOIL Interceptor, AMSOIL Diesel Oil, AMSOIL Dominator, AMSOIL Saber and the various AMSOIL 5W-30 product lines to name a few!

Another advantage of these products is its environmental benefits. Fewer oil changes mean less waste, and its advanced formulas often help reduce emissions by keeping engines running efficiently. Whether for daily commuting, racing, or heavy-duty applications, AMSOIL offers superior reliability, performance, and protection, making it a popular choice for enthusiasts and professionals alike! So when searching for what is the best synthetic engine oil for your vehicle, equipment or machinery, look no further than this company! You can order from us today, here on alaskaoilsupply.com.

IS AMSOIL GOOD OIL?

Introduction — Why People Ask “Is AMSOIL Good Oil?”

In the world of engine lubrication, very few names spark as much discussion as AMSOIL. If you’ve spent any time on automotive forums, in fleet maintenance shops, or at powersports dealerships, you’ve probably heard the same question pop up over and over again: Is AMSOIL good oil? For some, the answer comes without hesitation — “absolutely.” For others, skepticism lingers, often due to its unconventional direct-distribution model or its reputation for extended drain intervals. The truth lies in the details, and to get there, we’ll need to examine the company’s history, technology, certifications, and real-world performance.

What is AMSOIL?

AMSOIL Inc. has been a pioneer in the lubricant industry since 1972, when it became the first company in the United States to introduce API-certified synthetic motor oil. Its origins trace back to aviation, where synthetic lubricants had long been the standard due to their exceptional performance in extreme temperatures. Founder Al Amatuzio recognized that if synthetics could keep jet engines alive at 40,000 feet, they could certainly protect a car’s engine on the ground. That insight would forever change the U.S. automotive oil market.

Today, AMSOIL Inc. produces not only motor oil for passenger cars but also lubricants for diesel trucks, motorcycles, ATVs, UTVs, snowmobiles, marine vessels, industrial machinery, and even racing engines. Whether you purchase from an AMSOIL Dealer online or directly from AMSOIL online, you’re tapping into a product line that has earned a loyal following worldwide and frequently ranks near the top in synthetic motor oil rankings and consumer reports best synthetic oil discussions.

The Origins and Technology Behind AMSOIL

AMSOIL’s foundation is deeply tied to synthetic lubricant chemistry. Unlike conventional mineral oil refined from crude, synthetic base oils are engineered at the molecular level to have uniform, predictable properties. In lubrication science, this means more stable viscosity, better film strength, and significantly lower volatility. AMSOIL builds its formulations primarily with Group IV (polyalphaolefin, or PAO) and Group V (esters and other advanced synthetics) base stocks.

PAO oils are known for their exceptional oxidative stability, extremely low pour points (often below -50°F), and resistance to viscosity breakdown. Esters, meanwhile, are polar molecules that bond to metal surfaces, offering a layer of protection even after the oil drains off. This combination is why AMSOIL products excel in extreme cold-start conditions and under high-load, high-temperature stress.

The additive packages are equally important. AMSOIL uses high levels of anti-wear agents such as zinc and phosphorus (ZDDP), detergents to keep internal parts clean, dispersants to control soot in diesel engines, and antioxidants to extend oil life. These formulas are designed not just to meet the minimum industry standards but to exceed them, often by significant margins. So when asking what is AMSOIL? The answer is the best synthetic motor oil available - based on this in-depth explanation!

Is AMSOIL Really That Good?

To answer “Is AMSOIL really that good?” we have to look at both lab and field data. Used oil analysis (UOA) is a common tool among fleet managers and enthusiasts, and AMSOIL products consistently return results with lower wear metals, reduced oxidation, and extended additive life compared to many mainstream synthetics.

For example, in independent Four-Ball Wear Test results — which measure the diameter of wear scars under controlled pressure and heat — AMSOIL Signature Series typically produces wear scars less than half the size of those from conventional oils and even smaller than many well-known synthetic brands. Oxidation resistance tests also show AMSOIL holding its viscosity and TBN (Total Base Number) far longer than standard OEM oils, which is why extended drain intervals are not just marketing hype but an engineered reality.

Real-world evidence reinforces this. Heavy-duty diesel fleets in the northern U.S. and Canada have reported running up to 60,000 miles on a single oil change with consistent UOA verification. Snowmobile racers in sub-zero Alaskan winters report immediate cold starts with AMSOIL Interceptor two-stroke oil, even after machines sit in the open for days. Motorcycle riders switching to AMSOIL motorcycle-specific oils often report smoother shifting and reduced clutch chatter within the first ride.

Is AMSOIL Full Synthetic?

Yes, AMSOIL is a full synthetic — in the truest sense of the term. The “full synthetic” label in North America is loosely regulated, allowing some oils with Group III hydrocracked base stocks (essentially refined crude) to be sold as synthetics. AMSOIL uses Group IV and V stocks for most of its premium lines, which are laboratory-engineered molecules with precisely controlled characteristics. This distinction is one of the main reasons AMSOIL outperforms many “synthetics” that are, in reality, just highly refined mineral oils.

Is AMSOIL dexos Approved?

General Motors’ dexos1 Gen 3 and dexos2 specifications are designed to ensure optimal performance, emissions compatibility, and fuel economy for modern GM engines. Several AMSOIL products meet or exceed dexos performance standards, but not all carry the official GM licensing. This is intentional — licensing requires annual fees and adherence to certain formulations, and AMSOIL sometimes opts to formulate beyond dexos requirements without paying for the certification logo. The company provides detailed technical data sheets to confirm OEM compatibility, meaning GM owners can use AMSOIL without affecting warranty coverage.

Passenger Vehicle Focus

For everyday drivers, AMSOIL’s passenger car motor oil lineup is perhaps its most recognized product category. The range is divided into three main tiers to suit different customer needs and budgets. The OE (Original Equipment) Series is designed for those who follow the manufacturer’s recommended oil change intervals and want an affordable entry into AMSOIL quality. The XL Series steps up with extended drain capabilities up to 12,000 miles or one year, depending on driving conditions. And at the top sits the Signature Series, which offers protection for up to 25,000 miles or one year under normal service, or 15,000 miles under severe service.

The Signature Series in particular has become something of a benchmark in synthetic motor oil rankings. Its cold cranking performance allows engines to start easily at temperatures as low as -50°F, making it a favorite among northern Canadian and Alaskan drivers who face extended winters. In consumer reports best synthetic oil discussions, it is often praised for its resistance to volatility — the tendency for oil to evaporate at high temperatures — which helps reduce oil consumption and maintain viscosity over long service intervals.

The key advantage for passenger car users is not just longevity, but the quality of protection over that longevity. Extended drain intervals are worthless if the oil degrades before it’s changed. AMSOIL’s additive package keeps acids in check, disperses contaminants, and resists shear breakdown far longer than the industry average. For someone driving 15,000 to 25,000 miles a year, the reduction in oil changes can save time and money while also reducing environmental waste.

Is AMSOIL Signature Series Worth It?

Determining whether AMSOIL Signature Series is worth it requires looking at both performance and economics. From a protection standpoint, the Signature Series is engineered for enthusiasts and professionals who demand maximum engine cleanliness and wear control. It boasts 50% more detergents than required by industry standards, which helps prevent deposits on pistons and turbochargers. The high-temperature deposit control is particularly important for direct-injection turbocharged engines, which are prone to LSPI (Low-Speed Pre-Ignition) and coking.

From a cost perspective, while a quart of Signature Series may cost more upfront than competing synthetics, the ability to go 25,000 miles between changes can cut annual oil change expenses by half or more. If a typical synthetic oil change costs $75 and is done three times a year, that’s $225 annually. A Signature Series change with an AMSOIL filter might cost $120 but be done only once a year, saving $105 — and that’s without factoring in reduced wear and extended engine life. For high-mileage drivers, fleets, or rideshare operators, the savings multiply quickly.

Diesel Engine Oils — Fleet, Pickup, and Heavy Equipment

AMSOIL’s diesel lineup includes products meeting CK-4 and FA-4 API standards, designed for different classes of diesel engines. The Premium Diesel Synthetic 15W-40 and Signature Series Max-Duty Synthetic Diesel Oil are engineered for severe service. They offer superior shear stability, meaning they maintain their viscosity even under the high loads of towing, hauling, or running at sustained high RPMs.

Fleet managers often choose AMSOIL for the combination of extended drain intervals and strong soot-handling capabilities. Soot particles from diesel combustion can cause abrasive wear, but AMSOIL’s dispersant chemistry suspends soot in the oil, preventing it from agglomerating into larger, more damaging particles.

In cold climates, AMSOIL’s synthetic diesel oils maintain flow far better than mineral-based oils. This means faster oil circulation during winter starts, reducing the risk of dry-start wear. For heavy-duty pickup owners — whether running a Power Stroke, Cummins, or Duramax — the benefits include better fuel economy, reduced downtime, and improved reliability. Independent testing and real-world UOAs often show diesel engines running AMSOIL having significantly lower wear metals like iron and lead compared to engines using standard OEM-branded oils.

Powersports Oils

The powersports segment is one of the most diverse in lubrication needs, and AMSOIL has developed application-specific products for motorcycles, ATVs, UTVs, snowmobiles, dirt bikes, and personal watercraft.

Motorcycle oils from AMSOIL meet or exceed JASO MA/MA2 standards for wet-clutch performance, ensuring that the clutch plates engage properly without slip while also resisting high-heat breakdown in air-cooled engines. Riders of Harley-Davidson, Yamaha, Honda, and BMW bikes report quieter valvetrain operation and reduced oil temperatures after switching.

For off-road and utility vehicles, AMSOIL ATV/UTV Synthetic Motor Oil is designed to resist oxidation and maintain film strength in slow-speed, high-load situations — the kind of conditions that generate intense heat in the engine and gearbox. In snowmobiles, where two-stroke and four-stroke designs demand vastly different lubricants, AMSOIL offers low-smoke, clean-burning formulas that keep exhaust valves free of deposits while providing cold-flow properties that allow instant lubrication at sub-zero startup temperatures.

Marine Oils

Marine engines face unique challenges: high humidity, salt exposure, and long idle periods. AMSOIL’s marine lubricants are formulated with enhanced anti-rust and anti-corrosion additives. Their four-stroke marine oils carry NMMA FC-W certification, ensuring they meet the industry’s toughest standards for rust resistance and wear control. For two-stroke outboards, AMSOIL HP Marine Synthetic Oil is designed to burn cleanly, prevent carbon buildup, and protect against pre-ignition.

Commercial fishing operators have found that AMSOIL marine oils maintain viscosity and corrosion protection even after extended storage periods, meaning engines are ready to perform when the season starts. Pleasure boaters benefit from fewer oil changes and improved reliability during peak boating months.

Industrial Oils & Specialty Lubricants

Beyond automotive and recreational markets, AMSOIL Inc. manufactures lubricants for industrial applications such as hydraulic systems, air compressors, gearboxes, and manufacturing equipment. These products are built with the same principles: high-quality base oils, strong additive chemistry, and extended service life.

In industries where downtime costs thousands of dollars per hour, the ability to run equipment longer between oil changes without compromising protection is invaluable. AMSOIL’s synthetic industrial oils resist varnish, sludge, and oxidation, keeping machinery operating smoothly even under heavy loads and high temperatures. Their gear oils, for example, provide exceptional film strength, preventing metal-to-metal contact in heavily loaded applications like mining conveyors or steel mill equipment.

Is AMSOIL Transmission Fluid Good?

AMSOIL’s automatic transmission fluids (ATF) and manual transmission fluids are widely praised for their performance and durability. Signature Series Multi-Vehicle ATF covers a broad range of OEM specifications, including those from GM, Ford, Chrysler, Toyota, and Honda. It resists thermal breakdown, provides smooth shifting, and protects against varnish formation even in high-heat conditions.

For continuously variable transmissions (CVTs), AMSOIL Synthetic CVT Fluid delivers excellent belt and chain grip while preventing wear on pulleys. Their synthetic manual transmission and transaxle gear lubes offer outstanding cold-weather shiftability and high-load protection. Many vehicle owners report smoother gear changes and reduced transmission temperatures after switching.

Will AMSOIL Void My Warranty?

One of the most persistent myths is that using AMSOIL will void your warranty. In the United States, the Magnuson-Moss Warranty Act prohibits manufacturers from denying warranty coverage simply because an aftermarket lubricant was used — as long as the product meets the required specifications. AMSOIL publishes detailed product data sheets showing compliance with or exceeding of OEM specs, making it fully warranty-safe.

If a dealership claims otherwise, they must provide the specified oil for free or prove that the aftermarket oil caused the damage. This legal protection empowers consumers to choose the oil that offers the best performance, whether bought through an AMSOIL Dealer online or AMSOIL online.

What Makes AMSOIL So Good?

Several factors contribute to AMSOIL’s reputation. The high-quality PAO and ester base oils provide exceptional film strength and temperature stability. Advanced additive chemistry resists wear, corrosion, oxidation, and deposit formation. Independent testing and decades of field data show lower wear metals, cleaner engines, and longer oil life compared to many competitors.

Another factor is AMSOIL’s commitment to specialized formulations. Instead of making one generic oil for all applications, AMSOIL tailors products for specific engines and environments, from high-performance racing to Arctic snowmobiling. This application-specific approach often delivers superior results compared to “one-size-fits-all” oils.

Is AMSOIL Worth the Money?

When calculating value, AMSOIL often comes out ahead despite a higher per-quart cost. Extended drain intervals mean fewer oil changes, saving both labor and materials. Reduced wear extends engine life, which can prevent costly repairs. For fleets and heavy equipment, less downtime translates to increased productivity and revenue. For enthusiasts, it means peace of mind and the confidence that the engine is well-protected in any condition.

Can AMSOIL Go Bad?

Stored in sealed containers in a cool, dry place, AMSOIL’s shelf life is typically five years or more. Its synthetic base oils resist oxidation and moisture absorption better than conventional oils, but like any lubricant, it should be stored properly to maximize longevity. Once opened, the container should be sealed tightly to prevent contamination.

Buying AMSOIL Online

AMSOIL’s distribution model is unique. Instead of relying on big-box retail shelves, AMSOIL sells directly through independent Dealers and its own website. This allows customers to receive personalized product recommendations, technical support, and in some cases, better pricing. The Preferred Customer program offers discounted prices, free shipping on larger orders, and access to exclusive promotions. Whether you’re a DIY car owner or managing a fleet, buying from an AMSOIL Dealer online or directly from AMSOIL online ensures you get fresh product with the latest formulations.

Comparing AMSOIL to Other Synthetic Motor Oils - Is AMSOIL Better Than Mobil 1 and more!

When placed side by side with industry leaders like Mobil 1, Pennzoil Platinum, and Royal Purple, AMSOIL consistently ranks at or near the top in independent synthetic motor oil rankings. Testing laboratories have found AMSOIL’s Signature Series to have lower volatility and superior oxidation resistance than many competitors. While Mobil 1 is a household name with a broad retail presence, AMSOIL’s formulation focus on extended drain intervals and high-performance additive chemistry often gives it the edge for users prioritizing long-term engine health.

Consumer reports best synthetic oil lists often include AMSOIL as a recommended product for extreme conditions and extended service intervals, particularly for drivers in cold climates or those using diesel-powered vehicles. Its niche direct-to-consumer model means it may not have the same retail shelf visibility but delivers quality that matches or surpasses widely advertised brands.

The Verdict on AMSOIL’s Reputation

So, is AMSOIL good oil? After a detailed examination of its technology, certifications, real-world performance, and customer feedback across passenger vehicles, diesel trucks, powersports, marine, and industrial sectors, the answer is unequivocally yes. AMSOIL Inc. combines advanced synthetic chemistry, rigorous engineering, and a customer-focused distribution model to deliver lubricants that protect engines, reduce maintenance costs, and stand up to some of the harshest conditions on Earth.

Whether purchased through an AMSOIL Dealer online or directly from AMSOIL online (CLICK HERE), these products have proven themselves time and again in the toughest applications. For those seeking the best synthetic motor oil available — backed by decades of innovation and solid independent testing — AMSOIL is a choice that delivers performance, value, and peace of mind.

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