Person holding a large, beige bottle with measurement markings, in a store aisle lined with similar bottles.

Engineered for Performance and Protection

AMSOIL is a leader in synthetic lubrication solutions, offering products designed to enhance engine performance, reduce wear, and extend service life. With a reputation for quality and innovation, many AMSOIL diesel and motor oils deliver guaranteed protection for up to 25,000 miles, making them a preferred choice for those seeking reliability and efficiency.

Stay Informed & Updated

Understanding Oil Viscosity Presentation Slide.

Understanding Oil Viscosity

Viscosity is the measure of a fluid's resistance to flow. The physical properties of lubricants...

Unmatched Protection for Every Drive

AMSOIL’s advanced formulas provide unmatched protection, whether for daily use or high-performance applications. Reach out today to get access to top-tier AMSOIL products. Whether you need AMSOIL transmission fluid or accessories, we are your right choice.

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More AMSOIL® Products

Amsoil bypass oil filter, black cylinder shape.

AMSOIL Bypass Oil Filter

Efficient small-particle and soot removal Increased filtration capacity and life Improved engine efficiency...
Two cylindrical air filters, white and black.

AMSOIL PowerCore®Filter for GM 6.6L Duramax Diesel

• Genuine Donaldson PowerCore® filters provide superior protection and performance. • Lower...
Black cylindrical air filter with label.

PowerCore®Filter For Ford 6.0L Diesel PowerStroke™

• Genuine Donaldson PowerCore® filters provide superior protection and performance. • Lower...
Cylindrical air filter with mesh exterior.

Donaldson P-Series Heavy Duty Air Filters

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Blue cylindrical air filter with black caps.

Donaldson Blue Heavy Duty Air Filters

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
MANN air filter with packaging box.

MANN-FILTERS Air Filters

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Black Amsoil oil container with label.

AMSOIL ISO 32 100% Synthetic Multi-Viscosity Hydraulic Oil

All-season performance Maintains cleanliness Promotes maximum fluid life Resists foam Maximizes energy efficiency Product code...
Various automotive air filters on display.

WIX Air Filter

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Black Amsoil oil container with label.

AMSOIL ISO 22 100% Synthetic Multi-Viscosity Hydraulic Oil

All-season performance Maintains cleanliness Promotes maximum fluid life Resists foam Maximizes energy efficiency Product code...
Black Amsoil oil container with label.

AMSOIL ISO 46 100% Synthetic Anti-Wear Hydraulic Oil

Protects hard-working hydraulic systems from the stress of high-pressure, high-load...
Black bucket labeled Amsoil synthetic lubricants.

AMSOIL ISO 32 100% Synthetic Anti-Wear Hydraulic Oil

Protects hard-working hydraulic systems from the stress of high-pressure, high-load...
Black bucket labeled with Amsoil logo.

AMSOIL ISO 22 100% Synthetic Anti-Wear Hydraulic Oil

Protects hard-working hydraulic systems from the stress of high-pressure, high-load...
AMSOIL synthetic tractor oil bottle.

AMSOIL 5W-30 100% Synthetic Tractor Hydraulic/Transmission Oil

For All Weather Performance in Farm and Commercial Equipment Excellent hot-...
Chrome metal oil filter on white background.

AMSOIL Chrome Oil Filter

99% efficiency at 20 microns1 for maximum protection against engine wear Help extend...
Black automotive oil filter on white background.

AMSOIL Black Oil Filter

99% efficiency at 20 microns1 for maximum protection against engine wear Help extend...
Oil filter with packaging and gasket.

AMSOIL SDF88 Oil Filter

Cellulose media designed for OEM service intervals Designed specifically for Ford 6.0/6.4L...
AMSOIL oil filters and packaging display.

AMSOIL Oil Filter

Provides filtering efficiency of 99 percent at 20 microns1 Allows lower restriction,...
White Donaldson oil filter, labeled P551381.

Donaldson P-Series Lube Filter

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Black bucket with AMSOIL label and lid.

AMSOIL SIROCCO® ISO-32/46 Compressor Oil

SIROCCO™ is recommended as a direct replacement for PAG compressor...
Blue automotive filters displayed on surface.

Donaldson Blue Oil Filter

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
MANN-FILTER products on a yellow background.

MANN-FILTERS Oil Filter

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...