Synthetic Motor Oils

AMSOIL Oil

AMSOIL was the first to develop an API-rated 100% synthetic motor oil that outperforms our competitors.

Still not sure if you’re ready for the switch to AMSOIL Synthetic Motor Oil? Ask yourself the following questions:

  • Do you want an increase in horsepower?
  • Do you want 25,000 mile oil, or even 35,000 mile oil?
  • Do you want better gas mileage?
  • Do you want a cleaner engine?
  • Do you want to save money on oil changes?

If you answer yes to any of those questions, then AMSOIL Synthetic Motor Oils are right for you.

AMSOIL Synthetic Signature Series Motor Oil

25,000 / 30,000 miles our Best Seller  

AMSOIL synthetic motor oil is engineered to outperform all conventional gasoline engine motor oils, decrease heat, friction, and wear for maximum power, performance and fuel efficiency. Not only can you expect more power, performance, and fuel efficiency, but AMSOIL synthetic motor oil is built upon a clean engine formula.  A cleaner, quicker, more powerful, more fuel-efficient engine; AMSOIL makes it happen.  It also defends against high temperature break down that creates sludge and varnish, lasts longer (at least double) and protects better. AMSOIL synthetic motor oils provide optimum performance at any temperature.

AMSOIL Signature Series

AMSOIL XL Series Motor Oil

AMSOIL XL synthetic motor oils are formulated to deliver 7,500 miles or six months of service between oil changes. That’s DOUBLE the life of traditional oils.  These oils provide outstanding wear protection and an increase in power, performance and fuel economy in both high and low temperatures.

quality motor oil, 5W-30 Amsoil motor oil

AMSOIL Marine Synthetic Motor Oil

AMSOIL Formula [email protected] Marine Synthetic Motor Oils are certified by the National Marine Manufacturers Association (NMMA) for use in four-stroke outboard motors.  These new Formula 4-Stroke® Marine Oils are the finest quality in synthetics, formulated for the especially unforgiving working conditions of marine environments.  AMSOIL Formula [email protected] Marine Synthetic Motor Oils hold up through the powerful mechanical activity of constant, high RPM operation to deliver to your engine the ultimate in viscosity protection. AMSOIL Formula 4-Stroke® Marine Synthetic Motor Oils are specially fortified with a heavy treatment of highly developed additives that guard motors against rust, wear, and deposits; and these oils outshine the competitors in both intense horsepower situations and extended full-day trolling conditions.  Still skeptical? AMSOIL Formula 4-Stroke® Marine Synthetic Motor Oils satisfy the warranty requirements of four-stroke outboard motor producers.  Whether you’re looking for better performance, better fuel economy, or a cleaner engine, AMSOIL Marine Synthetic Motor Oils are the right products for your four-stroke outboard motor needs.

AMSOIL High Performance Oil

AMSOIL High Performance, top quality synthetic motor oils are specially formulated to function in high temperatures/high stress engines, such as those in SUVs, motor homes, RVs, pickup trucks, older vehicles and diesel engine passenger vehicles.  AMSOIL High Performance Oils can be used in both gasoline and diesel engines.  These oils are suggested for use in motor vehicles subject to short trips, high temperatures, stop-and-go driving, off-road use, and recurrent trailer pulling.  If you’d like to enjoy the extended drain period of 25,000 miles/one-year intervals while protecting your engine, then AMSOIL High Performance Oils are the right choice for you.

AMSOIL High Performance Oil

AMSOIL High Performance, top quality synthetic motor oils are specially formulated to function in high temperatures/high stress engines, such as those in SUVs, motor homes, RVs, pickup trucks, older vehicles and diesel engine passenger vehicles.  AMSOIL High Performance Oils can be used in both gasoline and diesel engines.  These oils are suggested for use in motor vehicles subject to short trips, high temperatures, stop-and-go driving, off-road use, and recurrent trailer pulling.  If you’d like to enjoy the extended drain period of 25,000 miles/one-year intervals while protecting your engine, then AMSOIL High Performance Oils are the right choice for you.

OE Advanced Engine Protection

Delivers 100% synthetic engine protection for advanced automotive technology including turbos and direct injection. Provides 47% more wear protection specifically formulated for the longer drain intervals recommended by original equipment manufacturers.

OE Advanced Engine Protection

AMSOIL European Engine Oil Synthetic 5W-40

AMSOIL’s European synthetic engine oil is especially formulated for the lubrication needs of European gasoline, diesel cars and light-duty trucks. Combined with a broad 5W-40 viscosity rating, and allowing for maximum extended drain intervals, AMSOIL European synthetic engine oil provides superior protection and performance.

AMSOIL 15w40 Diesel Oil

AMSOIL Synthetic Motorcycle Oil

Specifically engineered for four-stroke recreational engines, including All Terrain Vehicles (ATVs), outboard motors, personal watercraft, snowmobiles, and motorcycles, AMSOIL Synthetic Motorcycle Oils will leave your engine and your pocketbook in remarkable condition. Amsoil Motorcycle Oil contains special rust inhibitors to protect motors used on water. These oils also protect against wear in high RPM motors. AMSOIL synthetic motorcycle oils are wet-clutch compatible, and they contain no friction modifiers. AMSOIL Motorcycle Oil’s extensive viscosity range makes it exceptional for use in any temperature extreme. The top-quality evaporation resistance of AMSOIL Formula 4-Stroke Synthetic Motor Oil keeps oil consumption, emissions, and engine wear to the bare minimum while maintaining superb oil flow and fuel efficiency (and it’s easy on your  AMSOIL Motorcycle Oil filter).

AMSOIL Synthetic Oil Online

AMSOIL Synthetic Natural Gas Engine Oil

AMSOIL Synthetic Natural Gas Engine Oil is chemically engineered to provide unmatched protection for all natural gas motors. AMSOIL Natural Gas Engine Oil has a low-ash formula with exceedingly efficient rust and deterioration inhibitors. It flows quickly to vital engine components for rapid, effortless cold-weather engine start-ups and has an incredibly low volatility to keep stable in hot engine situations. AMSOIL Natural Gas Engine Oil does not break down like petroleum oils since it better protects against the effects of high-temperature oxidation for a much longer time period than petroleum oils do.  ** If your automotive engine has been modified to use propane or natural gas, you should not use this product.  AMSOIL has many other products available to meet those needs.

Synthetic Diesel Oil 15W-40 Signature

MAXIMUM ENGINE PROTECTION
Delivers 6X more wear protection 60 percent better turbo cleanliness

6X more protection against wear

15w-40 Diesel Oil
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