Wolcott, CT
(203) 592-7113


 Dictionaries describe UNIQUE as unlike anything else, and PROPRIETARY as something that is produced under exclusive rights of the inventor or maker. UNIQUE and PROPRIETARY are also how the AMSOIL corporation describes it's lubricant formulations. Many of the lubricants that are available...
  Many newer automobile engines are using quantities of oil that would have only been associated with that of well-used cars. Their manufacturers are stating that this is normal. While it may be “normal”, this oil usage would not make me happy as a new vehicle owner. Some of the causes of...
An engine oil has seven basic functions. LUBRICATING the moving parts and reducing friction in an engine comes to mind as obvious. COOLING, as much as 40% of engine cooling is facilitated by the engine oil. SEALING pistons, rings and cylinders and supporting mechanical seals. TRANSFERING power as...
Extreme cold can cause conventional motor oil, transmission fluid and gear lube to thicken, starving vital moving parts of necessary lubrication. In many cases, thick motor oil will prevent vehicles from starting. Cold, thick transmission fluid results in delayed or sluggish shifts and...
 Extreme heat hastens chemical breakdown (oxidation), altering the oil’s chemistry and preventing it from lubricating, cooling and protecting as designed. Sludge can form, which clogs narrow oil passages and prevents oil from reaching vital components, causing wear. Oxidation can also...
 AMSOIL Synthetic Tractor Hydraulic/Transmission Oil is an all-weather Universal Tractor Transmission Oil (UTTO) engineered to meet the tough demands of heavy-duty, hydraulic-powered farm and commercial equipment. Its...
In 2013 the American Petroleum Institute has approved the following engine oil grades, 8, 12 and 16.
These viscosities are to aid fuel efficiency by reducing the engine lubricant's resistance to flow. We may be seeing engine manufacturers requiring these specifications in the...

AMSOIL provides a number of gasoline fuel additives, each designed for a specific purpose. P.i. is our PERFORMANCE IMPROVER for cleaning gasoline fuel systems. QUICKSHOT for solving ethanol phase separation for small engines and powersports equipment. GASOLINE STABILIZER for seasonal storage....

 AMSOIL Diesel Injector Clean (ADF) removes performance-robbing deposits from diesel fuel injectors to restore horsepower and improve fuel economy. It is formulated for all types of diesel engines, including high-pressure common-rail designs. Diesel Injector Clean is formulated to clean...
Replaces Harley Davidson Fork Oil type B and E.

 AMSOIL Shock Therapy Suspension Fluid is formulated with shear-stable synthetic base stocks with high viscosity indices. Its complete additive package reduces foaming, aeration and wear, while seal conditioners are added to keep seals soft...

 (203) 592-7113

 5 Cole Rd Wolcott Ct 
Wolcott, CT 06716 
United States
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